Stereo, CD - like sound really perfect 2.4G Wireless headset

Main features:

1. The earphone is a wireless transceiver adopting 2.4 G radio frequency technology
2. Lightweight and portable appearance design, more esthetic, comfortable and convenient
3. Hi-fi CD tone, simple but fast operation
4. Remote control: volume +, volume -, play / pause, select music upward / downward
5. Omnibearing invisible microphone design, clear transmitting sound, real PC wireless communication
6. Wireless remote network communication on Skye, MSN, QQ
7. Imported stereo loudspeaker, clear voice in a crystal and limpid tone
8. Special design for PC communication, microphone duplex transceiver free from audio frequency
9. Free communication and enjoyment of PC music
10. Internal environmental high-energy Li-polymer battery can be directly charged.

Specifications and Parameters
1. RF radio frequency: 2.404-2.479GHz ISM BAND
2. USB adapter compatible system: Windows 2000/XP/Vista
3. Modulation mode: GFSK
4. Pairing mode: Mandatory pairing and automatic pairing
5. Audio frequency sampling rate: 44.1KHZ (MIC 16KHz)
6. Signal to noise ratio: > 70 db
7. Receiving scope: About 10m (open ground test)
8. Transmitting speed: 1Mbps
9. Frequency response: 20-20KHz (mic 6KHz)
10 Loudspeaker output power: 2*10mw
11. Battery: rechargeable Li-polymer battery (3.7V 300mah）
12. Continuous working time: 8 hours (fully-charged capacity test)
13. Charging time: 2-3 hours