Attention:new version in-ear headphone cann't connect to old version RB37 Bluetooth walkie talkies
Retevis RB37 directly talk with Retevis all 16 channel FRS radio on the 1-5 channels; such as RT21; RT22; RT68; H-777; if you need talk to other brand walkie talkies; please contact us via Amazon mail
Out of the box; the Bluetooth earpiece is already paired with RB37 radio and can be used directly;upgraded Retevis RB37 Bluetooth walkie talkies connection is stable and faster
Built in 2000mAh Li-ion battery; which can be used continuously for more than 10 hours; supports more than 7 days standby time
RB37 handheld rechargeable radios has 180mAh Bluetooth earpiece battery; you can use it continuously for 5-6 hours
Powerful torch light; ensure safety in case of emergency
RB37 long distance walkie talkies has wireless data transmission; avoid the hassle of setting parameters one by one
VOX function can free your hands to talk smoothly; 0-9 level auto squelch; adjust the ideal call environment in real time
Dual power supply; type-C direct charge and USB seat charge; kenwood 2 pin standard headphone and microphone jack
50 CTCSS and 232 DCS; reduce unnecessary chat and give you a safer way to talk to your partner
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