**********The frequency range of walkie-talkies is UHF 400-470MHz. Each radio has 16 preset channels and the same frequency for direct use. When you turn the channel knob, you can easily change the channel and the voice will tell you the channel number. The frequency of the channel is programmable within the frequency range. You can program any of the 50 CTCSS audio and 105 CDCSS audio on each programmed channel. *****Each two-way radio is equipped with a 1500mAh rechargeable lithium ion battery and a us charging stand. It takes about 4-5 hours to fully charge, and the sustainable use time of a full charge is about 8-12 hours, depending on the amount of use.
When the battery is too low, the walkie-talkie will automatically broadcast low battery. *****High-quality built-in speakers and microphones on radios provide a loud and clear sound. Unique noise reduction function, even in a noisy environment can maintain clear voice. Walkie-talkie has VOX function. Each walkie-talkie comes with a