Wireless Stereo Bluetooth Superlong Standby/Music/Talking Time Bluetooth Headset Voice Control Earphone (Black)

Specifications:  Bluetooth:V4.1  Chips:CSR4.1  Dimension: 6.5*1.5*1.2CM  Operation range: 10m  Battery:Lithium ion polymer battery  Music time:about 24 hours  Talking time:about 28 hours  Standby time:about 35days  Charging time:about 3 hours  Color:Weight,Black,Gold,Rose GoldPackage included:  1 x K1 bluetooth headset
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a