1) Bluetooth 1. 2 compliant2) Frequency: 2. 4ghz3) Channels: 794) The longest standby time: 200 hours5) The longest talk time: 4 hours6) 200MAH Rechargeable battery7) Working range: Indoor 5 meters, outdoor 10 meters8) Headset and hands-free profiles9) Basic call handling from the headset with adjustable volume control10) Support Voice dialing11) Keeps user away from electromagnetic wave of mobile phone12) Allows you to be hands-free and cord-free all day long13) Fasionable clip style
Bt620 Bluetooth Headset