Description - Wireless protocol: csr BC5, V2.1+EDR
- Wireless range: 10meters.
- Talking time: up to 5 hours
- Rated power: 3w
- Power supply : mini 5pin usb port
- Compatible with BT phones, MP3/MP4/CD/PC/MAC/PSP,etc.
- Built-in lithium battery
- Support A2DP,AVRCP,headset,handfree profile