OEM sport stereo bluetooth headset, headphone bluetooth head phone K4

 OEM sport stereo bluetooth headset, headphone bluetooth head phone K4

 1) Bluetooth Version:CSR 6145, V3.0+EDR
2) Support profile: A2DP/AVRCP/HSP/HFP
3) Stereo two channel
4) Music Support
5) Transmission frequency:2.4-2.48GHZ
6) Multipoint Connection
7) Talk /music playing time: 3/2.55 hours
8) Charge time: 1 hours ,55 mAh polymer
9) Standby time: 120 hours
10) Operate range: ≤10m
11)Size/Weight: 100*17*27mm/10g               

Standby time:up to 120 hours                

Charger time:3 hours                      

Operating Current:20 mA      

By sea / air / TNT/DHL/UPS/Fedex

1:We provide 1~3 year guarantee time. If the item is defective, please notify us within 3 days of delivery.
2:All items must be returned in their original condition, in order to qualify a refund or a replacement.
3:Shipping fee and insurance is not refundable.
4:Goods returned after 7 days of delivery are only eligible for repair.
5:The shipping costs incurred is of the customer's account. 

Certificates: