Bluetooth stereo headset
* Standard: Bluetooth V1.2
* Range:10 meters (33 feet)
* Frequency: 2.4GHz - 2.483GHz ISM band
* Sensitivity: <-75dBm
* Profiles supported: A2DP, headset, hands free
* Connection: point-to-point
* Weight: 17g (including battery)
* Dimensions (L x W x H): 50 x 23 x 19mm
* Talk time: up to 5hr
* Standby time: up to 150hr
* Input power: 100-240VAC; Output power: 5VDC
* working voltage: 3.7V
* Battery: rechargeable Li-ion polymer 120mAh
* Charging: 5V DC, 100 - 240V AC adapter
* Charging time: 2-3hrs