Style:In-Ear Communication:Wireless Connectors:Bluetooth Use:Mobile Phone,Computer,Portable Media Player Function:Microphone,Noise Cancelling,Bluetooth Bluetooth Version:V4.1 Chipset:CSR 8615 Work time:6-7 H Feature:Comfortable wearing Function:Bluetooth,Microphone Product name:Wireless Bluetooth Headphone Keyword:In-Ear Bluetooth Earphone Usage:Smart Mobile Phones Type:Business Bluetooth Headset Name:Wireless Bluetooth Headset Show More