Detailed Product Description1. Stylish design and best quality mould and finishing. 
Standard: 
Bluetooth V2.0 
Chipset: BlueCore4-Audio Single Chip 
Compatibility: General 
Headset and Bluetooth Cell Phone 
Radio Performance: Class 2 
Carrier Frequency: 2.4-2.480GHz 
Rx Sensitivity: <-75dBm 
Spread Spectrum: 10 meters 
Voice dial, receive, end or reject calls, adjust the volume 
Powder 
Charger: Input 100-240VAC, Output 5VDC 
Working Volt: 3.7V 
Battery: Rechargeable Li-polymer Inside 
Charging Time: 2-5hs 
Talking Time: 5hs 
Standby: 150hs 
Appearance 
Package Size: 170*140*55mm 
Headset Size: 50*25*18mm 
Headset Weight: 15g