Reddit reviews Arcshell Rechargeable Long Range Two-Way Radios with Earpiece 2 Pack UHF 400-470Mhz Walkie Talkies Li-ion Battery and Charger Included

Small and convenient size;it easily fits on your hand;it measures 4.53 inches in height without antenna(antenna length:4.3 inches);1.30 inches thick;2.36 inches in width;6.3 oz light-weighted;solid built;water-resistant;easy to operate for all ages;2 Wattage power output; each radio has a removable belt clipFrequency range is UHF 400-470MHz;16 pre-programmed channels;each radio has identical frequency on each of the 16 channels out of the box;16 position mechanical rotary switch channel selector;when you turn the knob to change the channel,a synthesized voice will tell you the channel number;channel frequency is programmable within the frequency range;you can program any of 50 CTCSS tones and 105 CDCSS tones on each programmed channelEach radio comes with a 1500mAh rechargeable Li-ion battery and a charging dock; the charger comes with an AC wall-wart Type A plug and works in 110v-240v; it takes about 2.5 hours to fully charge; battery life is determined by transmit time;it lasts around 8 to 96 hours on a single charge depending on how much you transmit;you can charge the battery alone or charge the radio with battery installedHigh quality built-in speaker on the radio provides loud and crystal clear sound; Push-to Talk button and built-in mic on the radio;each radio comes with a single-earbud style earpiece(foam piece included) with a microphone built in and a Push-to-Talk button; earpiece plug is K-type of 3.5mm plug and 2.5mm plug;when you plug in the earpiece,all sound goes to the earpiece and the radio speaker is silent;the radio has a VOX functionRange is very dependant on terrain;up to 5 miles with no obstructions,less in congested area;work great in a commercial construction or around the house;suitable for security team;maintenance team;construction team;fire department;warehouse;factory;kitchen staff;hotel;retail store;at the school;events communications;roadtrip while driving in different cars;family camping and hunting;on a cruise ship;in mountains;it works worldwide;you can add as many as you want and they work great together