Style:In-Ear Communication:Wireless Connectors:USB Use:Mobile Phone,Computer,Portable Media Player Function:Microphone,Waterproof,Noise Cancelling,Bluetooth Product name:Stereo Wireless Bluetooth Earphone Bluetooth Version:V4.1+EDR Certificates:CE, ROHS, RED, BQB, MSDS, UN38.3 Usage:Listening music and calling Transmission Range:10 m/ 33feet Charging time:40 Minutes Single earbud music time:2 -3hours / battery life: 20-30 hours Single earbud standby time:12 hours / battery life: 240H Packaging:1 set/ gitf box Feature:IPX5 Waterproof, Comfort fit, DSP, Light weight, long play time Show More