Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Langsdom BS21 Long Battery Life Magnetic Switch Neckband Bluetooth Headphones1. Equipped with high efficiency batteries for ultra long battery life, meeting all day usage needs. 2. Features a 13mm high dynamic moving coil driver, delivering vinyl grade sound quality with rich bass, an expansive soundstage, and highly restored vivid audio. 3. Supports ANC active noise cancellation, which accurately cancels out ambient noise by generating anti phase sound waves, creating a quiet private space. 4. Equipped with ENC call noise
1. Equipped with high-efficiency batteries for ultra-long battery life, meeting all-day usage needs.2. Features a 13mm high-dynamic moving coil driver, delivering vinyl-grade sound quality with rich bass, an expansive soundstage, and highly restored vivid audio.
3. Supports ANC active noise cancellation, which accurately cancels out ambient noise by generating anti-phase sound waves, creating a quiet private space.
4. Equipped with ENC call noise reduction algorithm and dual high-definition microphones, intelligently separating human voice from background noise and reducing wind noise for crystal-clear calls.
5. Convenient magnetic switch control: Earphones automatically power on and connect to paired devices when separated, and power off when attached together, eliminating button operations for easy use and storage.
6. Adopts Bluetooth 5.4 technology for enhanced signal penetration, reduced sound loss and latency; paired with a ceramic anti-interference antenna for stable connection in complex environments.
7. Supports e-sports game mode with dual-channel low-latency transmission, as low as 0.05 seconds latency for smoother audio-visual synchronization.
8. Waterproof coating + waterproof mesh design provides IP-rated water and sweat resistance, making it worry-free for sports use.
9. Neckband design fits comfortably around the neck and stays securely in place during running and other sports activities.
Product Specifications
1. Speaker Size: 13mm
2. Bluetooth Version: V5.4
3. Transmission Range: 10m
4. Frequency Range: 2.402-2.480GHz
5. Charging Voltage: DC5V
6. Battery Capacity: 300mAh
7. Charging Time: approx. 1 hour
8. Music Time: approx. 40 hours (ANC off), approx. 30 hours (ANC on) at 50% volume
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1349 reviews
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Product Reviews
★★★★★ 5
Great electric corkscrew
Color: 7-in-1 Silver, Size: Rechargeable
The electric corkscrew works perfectly. It makes opening wine bottles so easy. I haven’t had to recharge the device for weeks!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
★★★★★ 5
Best cork remover!
Color: 7-in-1 Silver, Size: Rechargeable
I love this wine bottle opener. With just a zip, the cork is out! No struggling, no breaking of the cork. Perfect. I’ve bought several for gifts.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
★★★★★ 5
Wine Made Easy
Color: 7-in-1 Silver, Size: Rechargeable
Excellent product and welcome addition to my kitchen. Wine opening made super easy and looks fantastic !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Great gift
Color: 7-in-1 Silver, Size: Rechargeable
It’s really easy to use, works amazing, nice speed. It looks awesome on my counter top. Great idea for a gift!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
★★★★★ 4
Great value
Color: 6-in-1 Silver, Size: Rechargeable
Great value for the price. Opener works great and holds a charge well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
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