Bluetooth Stereo Headset

Acoustic Specifications:
Frequency Response: 20-20kHz
Impedance: Headset: 32 Ohms
Sensitivity (S. P. L): 110dB(at 1KHz)
Rated Power: 100mW
Driver Diameter: ??40mm

Bluetooth Specifications:
Bluetooth Version: V1.2
Radio Performance: Class II
Frequency Range: 2.4GHz~2.48GHz
Channel: 79
Data Transfer Speed: 723Kb/s
128bit encryption
Operating Distance: 10 meters
Power Source: DC 3V (2x1.5V AAA batteries)

Features:
1. Hi-Fi stereo sound quality
2. Built-in waterproof microphone
3. Incoming call reminding function
4. Free switch between music and phone call
5. Low power consumption
6. Directly charge batteries
7. Compatible with all Bluetooth A2DP protocol enabled devices

Components:
Bluetooth Headset 1pc
Ni-MH rechargeable batteries 2pcs
USB charge cable 1pc
User manual 1pc