1 Pair RETEVIS RT622 US Frequency 400-480MHz 16CHS Handheld Two Way Radio Handheld Walkie Talkie, US Plug 1. Thin shape, ergonomic design, relieve fatigue caused by long-term use 2. The body is made of ABS material, the buttons are flat, and the built-in antenna greatly reduces the damage to the wires and knobs caused by accidental drops 3. Use the USB jack for charging, convenient and fast charging, saving space 4. When using integrated circuits and integrated antennas, it can reach farther places. The size of the radio is small, so it is easy to carry 5. It also has many functions, such as CTCSS&DCS, VOX, monitoring, emergency alert, scanning, widenarrow bandwidth, TOT, squelch, highlow power optional, power saving, low battery prompt, PC programming, dustproof, etc. 6. Frequency range: UHF: 400-480MHz 7. Power: 2W 8. Channel capacity: 16 9. Lithium-ion battery capacity: 1000mAh 10. Working voltage: DC 3.7V 11. Weight: about 113g 12. Size: 13.5x5.5x2.14cm