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 Gold

Package included:
1 x K1 bluetooth headset