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

6 million oxygen anions

General Angle of View 70 degree

2G: B2/B3/B5/B8

the adapter makes it possible to listen to 8 Pin audio and power your iPhone simultaneously

large square about 23x18x13 cm

audio ports and buttons

Sensitivity: -58dbv /uBar

Do Not Disturb Mode

The headband is cushioned and lightweight

With its seamless interface and endless possibilities

Simply mount it to your device and start enjoying cooler

perfect for wet environments