Retevis RB89 - Radio Familiarization

Familiar with this radio.
Charging instruction
Charging mode:
Plug the radio into a charger. The indicator flash red in charging, and fully charging turns green.
02
Antenna
Indicator
PTT button
PF1 button /
channel up
PF2 button /
channel down
Volume /
power knob
Flashlight
Speaker
Mic
remote headset /
programming
cable connector
charging indicator