Out of the box and easy to use. Multiple buttons on the front; each walkie-talkie button has a blue logo written on it. Mini walkie talkie; 3.5 x 2.01 x 0.59 inches; 0.2 lb. The compact two way radio comes with a blue rope that hangs easily around your neck so it won't fall off and won't feel heavy. Clear and loud sound; this walky talky's volume has a total of 8 levels with independent button adjustment, very convenient. Key lock function; lock in your settings and prevent accidental changes to them.
This is a communication device for the elderly. Long lasting battery; the 1000 mAh battery will last about 10-12 hours with normal daily usage. A USB-C charging port is built into the 2 way radios; you can use a power bank, PC, or car charger to charge it at any time.
WARNING: The RT20 walkie-talkie charger outputs 5V; car charger voltage should NOT exceed 6.5V