Retevis RT21 Walkie Talkies for Adults Long Range Rechargeable 16CH VOX Scan Two Way Radio with Earpiece for Camping Hunting 2 Pack

Whats the advantage of RT21;Why should I buy these over those; Suitable for hotels,restaurants,construction sites,factories,etc Have a much solid shell than usual radio,take it outside and no worry about the fall apart Have a high-gain antenna ,and will not lose or fell apart The retevis RT21 radio have the solid belt ,you dont need to order the belt again comfortable hand held radio body and excellent cell Can these be left on charger or do the need to be removed once charged;What is the time i need to charger the radio; Yes ,it have the Intelligent Charge control united,when the red indicator light is charging,and the green indicator light is full.The radio have the low-power alert,it will remind you to charge the radio when it have the low-power. Features: Single band Memory Channel:16 Low battery alarm Scanning Emergency Alarm VOX Function Battery Save Function English/Chinese Voice Prompt Package Details 2 x Retevis RT21 2 Way Radio 2 x Li-ion battery 2 x US Charger 2 x Strong Belt Clip 2 x Hand Strap 2 x Air Acoustic Earpiece 1 x English user manual The same function but the different cell,the superior material and excellent setup,using the substantial price to order excellent radio with the high-gain antenna,stubborn belt ,charging 3-4 hours and can using 7-8 hours.