Product features:
1. Portable and wireless
2. PLL synthesized design , with high frequency stability
3. Digital mute- locked technolgy , no any interference.
4. Unique anti- interference circuit , avoid the interference from other frequencies automatically
5. 99 IDs allows 99 groups to operate simultaneously at the same place .
6. One transmitter can carry any number of receivers
7. Bulit-in rechargeable Lithium Battery , use 15 hours at least .
8. LCD display ,easy to operate , Adjust volume
9. Over 60m communicating distances