Specification:

Bluetooth Ver：V4.0+EDR，Support All Phones

Bluetooth Mod：Hands free/Headset/AV/AV/RCP profile

Wireless Frequenct：2.4GHZ

Power transmission：Class2

Pairing: Up to 2 devices

Coverage：10meter

Power Source：AC 110-240V DC5V

Listen Music：Around 4 Hours

Call Time：Around 4 Hours

Standby Time：11 Hours

Size：55.5MM*18MM*12MM

Product Weight：About 9g

Packing：Bluetooth Handfree x 1，Power Cable，Single Headset， Ear hook， Manual.