2.4G technology,compatible with ipod/iphone,,CD/MP3 player,Hi-Fi and TV sets
This is a TV amplifier system that delivers TV sound to your ears, at your own personal volume and tone settings. You'll be amazed at the crisp, clear sound that you hear with the stetho-style receiver.
The system has one of the best Signal-to-Noise (SNR) ratios on the market, so you can hear crisp, compact disc quality TV sound.
1.Frequency Range: 2.4-2.5GHz
2.Frenquency Response: 20-20KHz
6.Dynamic range: 88db
9.Transmission range:50 meters(without interference) 10.Driver unit: 10mm
11.battery built-in: 420mAh
12.Music play time: 12 hours
13.Standby time: 3 months