Thirty Band Frequency68-108MHZ(FM)136-174MHZ (RX/TX)220-260MHZ (RX/TX)400-480MHZ (RX/TX) Type-C USB ChargingType-C charging is a trend for mobile devices as it has low requirements for power sources and places. The UV-21 Pro is Type-C USB rechargeable, for which you can easily charge it like a phone in your car, with a power bank or laptop. Portable for your go-kit. Ill see you.Press the menu button to enter theFQSCANinterface. Press Menu again and the UV-21 Pro will search for another radio transmission frequency and privacy code. Finally press the menu to store the frequency. Two walkie-talkies can communicate normally. Communication is unobstructed, and traditional writing frequency is rejected. In Built-in displayreother.New trend black technology 1.77-inch high-definition large screen display. There are 2 different display modes of frequency and channel to meet your different needs.All display function menus on the display. Such as VOX/FM/CT etc. Hey, hey.LED spotlight, life emergency helper, Powerful, it can also change into a flashlight in seconds, lighting up your dark night anytime, anywhere. IPC & Manual ProgrammableApart from programming the radio via computer software, users can also use the keypad to program most settings in the menu, for example, adding/deleting a memory channel, adding/removing a channel from the scanning list, adjusting VOX/squelch/power save levels, etc.