Style:In-Ear Communication:Wireless Connectors:USB Use:Mobile Phone,Computer,Portable Media Player,Aviation Function:Microphone,Waterproof,Noise Cancelling,Bluetooth Model Name:Tws Bluetooth Earphone Bluetooth Version:4.2 + JC Chipset Appication:For Apple/Android battery:Chargeable Lithium polymer battery Standby:about 100hours Play music time:about 3 hours Colors:Red,white,black,golden Function:Fast charging,HD calling feature:WIth real stereo sound Keyword:Bluetooth Earphone Show More