Bluetooth Version: V4.1
Colour: Black, Silver, Gold
Material: Silicone, Metal Operating range: 10m Wearing Type: In-ear, Neckband Function: Answering Phone, Voice control, Multi Connection Function, Switch Song, Microphone, Noise Cancelling, Stereo, i OS Power Display Application: Computer, Mobile Phone, Sport, Tablet PC Battery Type: Built-in Rechargeable Battery