1. Bluetooth Version :V1.2 2. Frequency Band :2.4GHz-2.48GHz 3. Support Profiles: Headset & Handsfree 4. Function Button: Receiving/Hanging Up/Pairing/Turn on /Turn off 5. Volume Control: Volume Adjustment 6. Special Function: Voice dial/Re-dial/Mute /Reject 7. Operation Range:At least 10 Meters 8. Security: Pairing/Encryption/Authentication 9. Battery: Rechargeable Lithium Polymer 10. AC/DC Input:100-240V 11. Status Indication: LED Coruscation 12. Talk Time: Up to 4 hrs. 13. Standby Time: Up to 120 hrs 14. Charging Time :2 to 2.5 hrs