1.2.4GHz digital FHSS technology improved interference resistance and smooth audio streaming. 
2.Super high S/N and 20 ~ 20 KHz full range Hi-Fi stereo sound quality.
3.Extremely simple Plug-and-Play design without any installations. 
4.Compatible with any type of earphones and active speaker. 
5.360° omnidirectional transmission and reception for free roaming of up to 100 ft. radius. 
6.Share audio stream with friends at the same time. 
7.Compact and slim stylish design for comfortable long-time use and easy carrying. 
8.Auto channel tracking. 
9.Auto mute when no audio input. 
10.Built-in Li-ion rechargeable battery & charger for both transmitter and receiver. 
11.Compatible with Windows and Mac OS.
1.Channel frequency:2400 ~ 2483.5 MHz.
2.Audio frequency bandwidth: 20 ~ 20KHz, -3dB.
3.S/N ratio: 80 dB (min.)
4.THD:0.7% (max.)
5.Dimension TX: 59x45x16mm / RX: 60x33x20mm.
6.Weight TX: 20g (Typ.) / RX: 23g (Typ.)
7.Current consumption TX: 68mA(Typ.) / RX: 37mA(Typ.)