1,Can receive the frequency wireless,

2,also can usd as radio,

3,suitable for MP3/MP4/DVD/VCD/TV/CD etc,

4,wireless transmitter frequency: 40.68±1.0MHz,

5,wireless receive frequency: 40.68±1.0MHz.

6,Radio frequency range: 87.5-108MHz.

  Product size: 19*9*21cm,

  Power: 3*AAA batteries(not included)

Wireless Earphone