Sell 2.4G HI-FI WIRELESS HEADPHONE

Function: 1. wireless headphone 2. wired headphone 3. FM radio 4. wireless chat online 5. can connect directly with TV, PC, DVD, VCD, MP3, MP4 audio source Features: 1.2.4G trasmission even carries through ceillings and walls 2. Powerful 864MHz FM signal trasmission even carries through ceillings and walls 3. Headphones with integrated rechargeable Li-ion batteries(optional) 4. Base station serves as a charger and features 4 selectable FM transmission Channels,can also be operated via standard batteries Specification: 1.Frequency Range: 2.4-2.5GHz 2.Frenquency Response: 20-20 000Hz 3.Modulation Mode:GMSK. 4.Speparation: >70dB 5.S/N: 95dB 6.Dynamic range: 88db 7.THD: =0.5% 8.Receive sensitivity:-83dbm 9.Transmission range:50 meters(without interference) 10.Driver unit: 40mm