Bluetooth V2.0+EDR
Frenquence: 2.4-2.4835GHz
Support profile: headset profile and handsfree profile
Operation Range: 10 meters (extended)
Talk time: up to 5 hours
Standby time: up to 100 hours
Charging time: 2.5 hours
Battery: Rechargeable polymer battery
Size: 61*18*13mm
Weight:9g