Specifications:
<br /> 
<br />Bluetooth version: V4.1
<br />Line Length: 0.55m
<br />Operating distance: Up to 10m (free space)
<br />Bluetooth profiles: A2DP, AVRCP, HSP, HFP
<br />Talk/music playtime: Approximately 4.5 hours
<br />Standby Time :100 hours
<br />Charging time: Approximately 2 hours
<br />Compatible For:for all Bluetooth devices.
<br />Color:Black White Blue Red Green
<br /> 
<br />Quality Control: Tested before shipping and 100% working well
<br />Service: Factory price + Prossional Design Team + QC Team Checking Quality before shipping + Professional After-service team service + 24 hours on-lin
<br />Function:Caller report/line control answer/hang up/rejection/on-off/redial/mute/volume adjustment/Chinese-English shifting/intelligent one-driving-two music pause/plau, up and down song switching
<br /> 
<br />Packing list:
<br />1 x Bluetooth 4.1 sports headset
<br />1 x USB charging cable
<br />1 x Manual