- Operating Frequency Band 2.4GHz 2.48GHz. unlicensed ISM Band

-Bluetooth Specification Version 1.1

-10 Meters out door operating

-4 hrs Talking time, 242hrs standby time

-Battery ATL 402030-150mAh (Rechargeable Lithium Polymer)

-Battery Voltage 3.7Vdc

-Number of Operating Buttons 2 Volume Control Buttons and

1 Multi Function Button

- Type Approval FCC, CE Mark, BQB