This S370 Bluetooth Headphone adopts CSR chipset, wihch will give you nice sound quality. It can connect with two mobile phones at the same time, more convenient.

Main Features:Bluetooth 4.1 Volume control Handsfree function Built-in rechargeable battery Phone number voice prompt 

This S370 Bluetooth Headphone adopts CSR chipset, wihch will give you nice sound quality. It can connect with two mobile phones at the same time, more convenient.

Main Features:Bluetooth 4.1 Volume control Handsfree function Built-in rechargeable battery Phone number voice prompt  Standby time: Up to 10 days Talking time: 4.5 hours