Noise Airwave Bluetooth in Ear Neckband with 50H of Playtime, 3

From the manufacturer

Up to 50 hour playtime:- For playlists that you never want to hit pause on, without needing to worry about running out of charge.
3 EQ Modes (Tru bass, Tru balance, Tru rock ):- You deserve to listen to audio the way you like best. We make that happen for you with Tru Bass, Tru Balance and Tru Rock.
10mm Driver:- Dive into the world of balanced audio quality.
ENC for superior calling:- Experience a clear calling experience when you talk on the phone with Environmental Noise Cancellation.
Low Latency (up to 50ms):- Gaming, talking or listening to music – it’s a lag-free zone with up to 50ms of low latency.
Sporty elegant design:- Designed for flexibility and comfort, making your audio experience look as great