SENGLED B21-N13 Simply Smart Led Bulbs Tunable Pack Box A19 800

( Brand: Sengled ), ( Manufacturer Part Number: B21-N13 ), ( Bulb Shape Code: A19 ), ( Lighting Technology: Led ), ( Bulb Shape: Standard ), ( Bulb Life Hours: 25, 000-29, 999 Hrs ), ( Lumens: 800-999 Lm ), ( Power Consumption: 5-9 W ), ( Features: Dimmable ), ( Country Of Origin: China ), ( Material: Plastic ), ( Type: Appliance Bulb )

Review SENGLED Simply Smart Led A19 Bulbs 800 Lumens Tunable White Pack Open Box

The **Sengled B21-N13 SimplySmart LED A19 Bulbs (800 Tunable, Pack of 3)** is a sophisticated yet effortlessly versatile lighting solution designed to transform any indoor space into a dynamic, mood-enhancing environment. Engineered with Sengled s signature blend of cutting-edge technology and user-centric design, these bulbs deliver a seamless fusion of style and functionality, making them an ideal choice for modern homes, offices, or creative workspaces. Each bulb features a classic **A19 shape**, ensuring a timeless aesthetic that complements traditional and contemporary decor alike, while its **compact fluorescent (CFL) base** guarantees easy installation in virtually any standard fixture. The **800-color tunable spectrum** unlocks an unparalleled range of lighting possibilities, allowing users to shift effortlessly from crisp daylight whites (for productivity and focus) to warm amber tones (for cozy ambiance) or vibrant, saturated hues (for entertainment or artistic inspiration). With **16 million color combinations**, the bulbs adapt to any occasion whether you re setting the mood for a dinner party, creating a calming atmosphere for relaxation, or simply adding a touch of personality to your space.

Beyond their visual versatility, these bulbs are built with **energy efficiency and longevity** in mind. Each bulb operates at an **equivalent 60W** while consuming just **9W of real power**, significantly reducing electricity costs and environmental impact compared to traditional incandescent bulbs. The **long lifespan of up to 15,000 hours** ensures minimal maintenance, making them a cost-effective investment that pays off over time. The **wireless, app-controlled connectivity** via the **Sengled Smart Home app** (compatible with Alexa, Google Assistant, and Apple HomeKit) adds another layer of convenience, enabling voice commands, scheduled lighting routines, and remote adjustments from anywhere in the world. Whether you re dimming the lights for a romantic evening or programming a gradual sunrise simulation to wake up gently, the app s intuitive interface puts complete control at your fingertips.

What truly sets the **B21-N13 SimplySmart bulbs apart** is their **intuitive learning capability**. The bulbs automatically adapt to your preferences over time, remembering your favorite settings and adjusting seamlessly to your daily routines. This smart learning feature eliminates the need for constant manual adjustments, creating a truly hands-off, personalized lighting experience. Additionally, the **smooth dimming technology** ensures no flickering or abrupt transitions, providing a buttery-smooth gradient of light that enhances comfort and reduces eye strain. The bulbs also feature **built-in motion sensors** (optional via app settings), allowing them to activate automatically when you enter a room and fade out when the area is unoccupied a practical touch that enhances both security and energy savings.

Safety and durability are prioritized in every aspect of these bulbs design. The **high-quality ceramic coating** protects against heat buildup, while the **low-voltage operation** minimizes fire hazards. The bulbs are **UL-listed and RoHS-compliant**, meeting stringent safety and environmental standards, so you can install them with confidence in any residential or commercial setting. Their **compact yet sturdy construction** ensures they fit snugly into standard fixtures without wobbling, while the **durable glass finish** resists dust and fingerprints, maintaining a pristine appearance over time.

Perfect for **living rooms, bedrooms, home offices, or even accent lighting in kitchens and bathrooms**, the **Sengled B21-N13 SimplySmart LED A19 bulbs** are more than just a lighting upgrade they re a gateway to a smarter, more immersive living experience. Whether you re a tech enthusiast looking to integrate smart home automation or a design-conscious individual seeking to elevate your space with adaptive, mood-setting illumination, these bulbs deliver a harmonious blend of innovation and elegance. Upgrade your lighting today and rediscover the art of customizable, intelligent illumination with Sengled s SimplySmart technology.

The Sengled B21-N13 Simply Smart LED A19 bulbs (800 tunable pack) are a popular smart lighting option, but like any product, they have advantages and disadvantages. Below is a detailed breakdown of their pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **Tunable Warm White and Color Options**

The 800 tunable range allows for smooth transitions between warm white (2700K) and cool white (5000K), as well as a full spectrum of RGB colors. This flexibility makes them ideal for mood lighting, ambiance control, and decorative purposes.

2. **Smart Home Compatibility**

- **Amazon Alexa** (via Alexa Smart Bulb skill)

- **Google Assistant** (via Google Home)

- **Apple HomeKit** (via HomeKit-compatible hubs like Apple TV or Philips Hue Bridge)

- **Sengled App** (dedicated mobile app for direct control)

This makes them versatile for users with different smart ecosystems.

3. **Energy Efficiency**

As LED bulbs, they consume significantly less power than traditional incandescent bulbs (equivalent to 60W incandescent but using only 9W). This reduces electricity costs and heat output, contributing to lower energy bills and a smaller carbon footprint.

4. **Long Lifespan**

LEDs typically last much longer than incandescent or CFL bulbs, often exceeding 15,000 25,000 hours. While the exact lifespan depends on usage, this reduces the need for frequent replacements.

5. **Dimmable with Compatible Dimmers**

The bulbs are dimmable, allowing for adjustable brightness levels. However, compatibility with traditional dimmers (like trailing-edge or leading-edge) may vary, so users should check their specific dimmer model.

6. **No UV or Infrared Emissions**

Unlike some older LED bulbs, these do not emit harmful UV or excessive infrared radiation, making them safer for prolonged use.

7. **Affordable for Smart Bulbs**

Compared to other high-end smart bulbs (e.g., Philips Hue, LIFX), the Sengled bulbs offer a more budget-friendly option without sacrificing too much in terms of features.

8. **Easy Installation**

They are standard A19 bulbs, so they fit into most existing fixtures without requiring additional hardware. The screw-in base makes replacement simple.

9. **Multi-Color Modes**

The ability to switch between white tones and full RGB colors adds aesthetic and functional versatility, useful for parties, gaming setups, or accent lighting.

10. **Local Control via App**

The Sengled app allows for independent control even if the bulbs are offline or the smart home platform is unavailable, which is a useful feature for reliability.

---

### **Cons**

1. **Dependence on Smart Home Ecosystem**

While they support multiple platforms, their functionality is limited if you don t have a compatible smart speaker (Alexa, Google Assistant) or a HomeKit hub. Users without these may find the bulbs less useful.

2. **App Performance Issues**

Some users report occasional lag, connectivity drops, or app crashes when controlling the bulbs via the Sengled app or third-party platforms. This can be frustrating, especially in larger setups.

3. **Limited Color Accuracy**

The RGB colors may not be as vibrant or accurate as those from premium brands like Philips Hue or Nanoleaf. The tunable white spectrum is smooth, but the color gamut might feel less rich for some users.

4. **Potential Compatibility Problems with Dimmers**

Not all dimmers work seamlessly with smart LEDs. Some users experience flickering, buzzing, or inconsistent dimming. It s important to test the bulbs with your specific dimmer before committing.

5. **No Built-in Motion or Ambient Sensors**

Unlike some smart bulbs (e.g., Philips Hue), these do not have built-in sensors for motion or ambient light detection. This means you ll need separate sensors or routines in your smart home system for automation like "turn on when motion is detected."

6. **Firmware Updates Required for Full Features**

Some advanced features (e.g., certain color modes or voice control commands) may require manual firmware updates. Users who neglect updates might miss out on improvements or new functionalities.

7. **Packaging and Bulb Quality Variability**

While most bulbs in the pack are reliable, there have been occasional reports of defective bulbs in shipments. This is relatively rare but can be frustrating if it happens.

8. **No Built-in Sleep Scheduling in App**

The Sengled app lacks some advanced scheduling features found in competitors apps (e.g., gradual wake-up routines). Users may need to rely on third-party automation tools like IFTTT or smart plugs for complex schedules.

9. **Limited Customer Support for Technical Issues**

Some users report that customer support for Sengled can be slow or unhelpful, particularly for technical problems like connectivity issues or app malfunctions.

10. **Potential for Overheating in Poorly Ventilated Fixtures**

While LEDs are generally cool, poorly ventilated fixtures can cause bulbs to overheat. This is more of a risk with high-wattage bulbs or enclosed fixtures, but it s worth noting for users with specific setups.

---

### **Conclusion**

The Sengled B21-N13 Simply Smart LED A19 bulbs are a solid choice for users looking for an affordable, tunable smart bulb with compatibility across major smart home platforms. Their tunable white and RGB options, energy efficiency, and long lifespan make them practical for both everyday use and decorative purposes. However, their reliance on smart home ecosystems, occasional app issues, and limited color accuracy compared to premium brands may deter users who prioritize reliability or high-end aesthetics.

For those who already have a smart home setup (Alexa, Google Assistant, or HomeKit) and want a budget-friendly smart bulb with decent tunability, these bulbs are a worthwhile investment. If you re looking for the absolute best color accuracy, advanced automation, or premium customer support, you might consider higher-end alternatives like Philips Hue or Nanoleaf. But for most casual users, the Sengled bulbs strike a good balance between cost and functionality.

---

### **Recommendation**

- You already have a smart home ecosystem (Alexa, Google Assistant, or HomeKit).

- You want tunable white and RGB lighting at a lower cost than premium brands.

- You prioritize energy efficiency and long lifespan over advanced features.

- You re okay with occasional app or connectivity quirks and have a compatible dimmer.

- You don t have a smart speaker or hub and rely solely on local control.

- You need highly accurate colors or advanced automation features.

- You ve had issues with Sengled s customer support in the past.

- Your dimmer is not compatible with smart LEDs, and you re unwilling to test it.

For most homeowners with a basic smart home setup, these bulbs are a practical and cost-effective choice. If you re unsure, consider buying a single bulb first to test compatibility with your setup before committing to the full pack.

Details:

Made in China. Bulb specs: 800 lumens brightness per bulb, 8.7W power usage, CRI 90, light appearance 2700K to 6500K. Life and efficiency: Rated life up to 25,000 hr 22.8 years at 3 hrs/day with estimated yearly energy cost of $1.05 per bulb based on hrs/day, 11 /kWh. Style: Simply Smart LED tunable white A19 Bluetooth smart bulbs, 60W equivalent, 4-pack.

Brand: Sengled. Base/Form: Standard medium E26 base in A19 bulb shape for most household lamps and fixtures. Features: Tunable white from warm glow to daylight, dimmable via Sengled Home mobile app, Bluetooth BLE Mesh connectivity for grouping and scheduling, app control dim, brighten, switch on/off, indoor use only.

part #: b21n13 prices

• $18.99-$71.99

specifications lightsfansfo:

• brand: Sengled
• mpn: B21-n13
• bulb shape code: A19
• lighting technology: Led
• bulb shape: Standard
• bulb life hours: 25, 000-29, 999 Hrs
• lumens: 800-999 Lm
• power consumption: 5-9 W
• features: Dimmable
• country of origin: China
• material: Plastic
• type: Appliance Bulb

shipping lightsfansfo:

• cost: $7.60
• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• transit: 5-11 Days
• carrier: USPS

payments lightsfansfo:

• credit card: Mastercard
• wallet: Google-pay
• other

returns lightsfansfo:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer
• method: Money back

offer lightsfansfo:

• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• best offers: True
• started: May 9, 2026

seller lightsfansfo:

• # reviews: 5328
• city: San Angelo, Texas
• rating: 99.9%

general lightsfansfo:

• Lamps, Lighting Ceiling Fans > Smart Lighting > Smart Light Bulbs
• condition: Open box

Sengled B21-N13 Is Similar To:

• Sengled Smart Wi-fi Led A19 Bulb 2-pack (49.2% similar) Bulb type: A19. Bulb shape: other. Maximum life hours: 25000 hours. Energy star certified: no. Number of bulbs included: model number: W21-N13W 2P. The Sengled W21-N13W-2P is in new condition...(June 13th, 2022)
• Sengled Smart Bluetooth Mesh Led A19 Bulb Soft White B11-n11w (48.6% similar) This product has no manufacturers warranty. Open box condition...(June 19th, 2022)
• Sengled Smart Led Tunable White A19 Starter Kit (55.4% similar) Smart lighting: smart hub required to install Sengled smart light bulb. Like Sengled smart hub E39-G8C, smart things hub, wink hub, and habitat hub. They are no smart hub required when connected to smart things, echo plus or echo show 2ND gen. The white Z01-1H-2A19NAE26 is in open box condition...(July 2nd, 2022)
• 16 Sengled Smart Bluetooth Mesh Dimmable Led Light Bulb Alexa Group Contrl 16 (36.3% similar) 16 Sengled smart Bluetooth mesh dimmable led light bulb Alex group control. Lot of 16 lights. Dim, work with Alex, group control or mesh network. 8.7WATT or 60W equivalent in brightness. Color is soft white. As seen in pictures. The Sengled B11-N11 is in new condition...(July 22nd, 2022)
• Sengled Usa E13-n11w Par38 With Motion Sensor Smart Accs Led E13n11w (37.1% similar) Sengled E13-N11WA smart flood work with smart things 4TH, echo plus, Alex, google, gibe hub required, PAR38 led bulb motion sensor light outdoor, dusk to dawn, 3000K, 1200LM, 1PK, white. Integrated into the led bulb is an infrared sensor with a 100-DEGREE detection angle and a 30-FOOT range. The ...(August 29th, 2022)
• Sengled Smart Wi-fi Led Bulb Multicolor A19 60w No Hub Required New (37.3% similar) Sengled smart WI-fie led light bulb no hub required. Connect to your 2.4 GHz WI-fie network with the Sengled home app IOS/android to get started. Bulb type: A19 color: multi color incandescent wattage equivalent: 60 watts bulb wattage: 8.7 watts light output: 800 lumens 2000 K - 6500K dimmable...(September 14th, 2022)
• Sengled 4 Pack Smart Light Bulb Bluetooth Mesh Smart Bulb That Works With Alexa (32.1% similar) Get started in seconds: ultra simple plug-n-play setup. Simply twist in the Sengled smart light bulbs and start enjoying with Alex smart devices in seconds automatic linking to Alex account required. New condition...(September 19th, 2022)
• Sengled Smart Light Bulbs Alexa Light Bulb Bluetooth Mesh 6 Pack Soft White (44.3% similar) Get started in seconds: ultra simple plug-n-play setup. Simply twist in the Sengled smart light bulbs and start enjoying with Alex smart devices in seconds automatic linking to Alex account required. The Sengled B11-N11W-6P is in open box condition...(September 19th, 2022)
• Sengled W11-n11w 2p Smart Wi-fi Led Soft White A19 Bulb 2-pack (51% similar) Bulb type: A19. Bulb shape: other. Color temperature: soft white. Maximum life hours: 25000 hours. Soft white light. Energy star certified: no. Color: white. The Sengled W11-N11W-2P is in new condition...(November 2nd, 2022)
• Sengled W1e-nc1 Smart Light Bulbs Wifi Candelabra Led Edison Vintage 4 Pack (53.2% similar) Please understand this is out of our control. On rare occasion, USPS or FedEx may delay a package...(September 27th, 2023)
• Sengled E11-n13w Smart Led Bulb 14.5w 2700k Dimmable 4-pack (59.2% similar) Works with: Alex, google assistant, smart things. This Sengled extra-bright led smart bulb pairs easily with compatible hubs and let's you control lighting remotely via virtual assistants the included app. Voice control works with Alex and google assistant devices for complete voice. Brightness: ...(October 12th, 2023)