1.Carrier frequency:2.4G
2. Accept range:10meters 360° 3. FM way:GFSK
4.Transmission power:4dBM
5.Frequency response:20HZ-20KHZ
6.Speaker Impedance:32ohm
7.Driver Unit: 40mm HI-FI speaker
8.Sampling rate:48K/DVD
9.SNR:＞80dB
10.Distortion range:＜0.1%
11.icrophone impedance:≤2.2kohm
12. Frequency response:≈8KHZ
13.Unit size: 150*115*35mm
14.Folding sz: 140*70*45mm