- hat with Blutooth function, listen music in winter it warm you up.
- Hands-free, while playing music with the mobile phone, if call coming in, it convert to hands free phone talk version. Just to click the button to talk handsfreely.- Listen music wirelessly with digital player that has Bluetooth
- Hands-free for smart phone,one key to answer the call.
- with voice control button and able to choose the song pre/next
- Material: acrylic fiber
- Bluetooth Version: 2.1 + EDR
- Power Supply: Built-in rechargeable Lithium battery; charge battery via USB cable