Retevis RB37 Bluetooth Walkie Talkie, Long Range Radio with Wireless Bluetooth Headset, Wireless Clone, 2000mAh USB Rechargeable Two Way Radio for Warehouse, Security (4 Pack)

* Easy to use; 22 channels walkie talkie; out of the box; compatible with other walkie talkie * Bluetooth rechargeable 2 way radio; equipped with wireless bluetooth headset; free your hands and focus on work * Bluetooth earpiece; suitable for left and right ears; clear sound; can be used for 5-6 hours * Wireless copy; fast copy frequency to multiple walkie-talkies; simple and convenient * Long standby walky talky; 2000mAh battery capacity; 3-4 days standby time * Walkie talkie long distance; non detachable gain antenna; which strengthen signal transmission * Large aperture lighting; which provide emergency lighting and convenient for night work * Two charging methods; USB charger dock and Type-C charging cable direct charging * RB37 handheld long distance 2 way radio has 0-9 level VOX function; direct call without PTT; hands-free; emergency alarm; 50 CTCSS and 232 DCS; 0-9 level squelch * The bluetooth 2 way radios headphone can be also connected phone for listening the music