Features:

Up to 10 hours play time
Up to 10 hours talk time
Up to 360 hours standby time
Less than 2.5 hours changing time
Unique neck-strap design for easy carrying
Ultra light weight for all day comfort
Vibration Alert on call
Easy magnetic earphone storage
Noise reduction & Echo cancellation

Specification:

Changing voltage: MICRO USB 5V
Working current: 25-30 mA
Output power: 2x20mW
Blue tooth working range: 10M
Frequency range: 2.401-2.480GHz
Frequency response:20HZ-20KHZ
SNR : S/N≥95
Distortion factor: ≤ 1%
Bluetooth Name: HV-800
Bluetooth Version: Bluetooth 4.0， NOT 3.0
Dimensions: 167.3mm(L) x 135.6mm(W)x 16.9mm(T)

Compatible Model:

Compatible with Bluetooth 1.1/1.2/2.0/2.1 and above， devices providing the providing the Bluetooth Headset(HSP)

and Handsfree(HFP) Profiles. Enjoy wireless freedom and use this device with Bluetooth phone.

Package include:
1 x New Wireless Bluetooth hv800 headset(Without Real Package)
1 x USB Cable
1 x User Manual
1 x Phone Holder