1. Low power consumption, Airoha 1526 chip BGA package,reach to bluetooth vesrion: 5.0
2. High precision,with waterproof IPX5 .
3. LDC phone antenna, strong signal ,talking effect very good.
4. Easy to connect, press key open, blue light, automatic connection
5. Strong stability than other companies headphones
6. After our engineers repeatedly debugging, the maximum volume play about 3 hours.
7. It's light only 4g, really soft.