DUDAO U4A-B EARHOOK BT EARPHONES BLK

Bt solution: 中科5656C
Bt version: 5.3
Bt transmission distance:10M 
Standby time: 300h 
Talk time:6-8 hours 
Music time:80% 8hours 
Charging time: 2h
Battery capacity : 50mAh 

1. fashion design 
2. long standby time
3. OWS earhook bussiness earphones
4. Support iOS and Android systerm
5. IPXS waterproof
inner box: 40pcs
carton: 240pcs
611*475*541