Specification    
Connectivity    Wireless
Connecting interface    USB
Compatibility    Android
Application    Portable Media Player, Mobile Phone
Cable length    21cm
Power supply    1 X Fast-charging 200mAh Lithium Polymer Battery (Not User Replaceable)
Working voltage    3.5V
Working time    5+ Hours Talk Time, 1.5 Hours in 320p, 1 Hours in 480p  
Extended Function    
Bluetooth    Yes
Bluetooth version    V3.1 + EDR
Powlev    CLASSIII 
Bluetooth distance    up to 10-meter range
Bluetooth model    Hands free
External memory    TF card
Max. of External memory    64GB  
Dimension and Weight    
Product weight    19 g
Package weight    0.165 kg
Product size (L x W x H)    8.38 x 2.28 x 2.28 cm / 3.29 x 0.89 x 0.89 inches
Package size (L x W x H)    14.2 x 9.2 x 5.0 cm  
Package contents    
Package contents    1 x Headset, 2 x Ear Buds, 2 x Ear Hooks, 1 x English / Chinese Manual, 1 x English / Chinese Instruction, 1 x Cable