Easy to use&amp; Lock ChannelThese walkie talkies are very easy to use, even for 3, 4 years old kids. Channel Lock prevents kids from accidentally changing channels. Once they have, the scan function can help you quickly scan channels and talk to you. Long Range Connection8-Channel Rechargeable Walki-Talkies require 3 AA batteries per unit , low battery warning, long range up to 5 kilometers in open area, allow kids some independence outdoors. Vox function &amp; Clear voiceVox function allows you to talk without pressing the PTT button. Hands-free devices make communication even easier. The noise reduction system makes the speaker and microphone even clearer. Best Gifts for Girls/BoysKids walkie talkies could help you have a lot of fun, like role-playing games that make kids believe they are a secret agent/ soldier would be, even call neighbor is home via radio for a cup of tea or dinner from above. Just enjoy the happy journey. User-friendly design Up to 4 days standby time Up to 3km in open area Cool stealth look Palm size and lightweight (2.6 ounces) Children's safe and durable materials(ABS standard materials) Equipped with a belt clip for easy storage Key lock to prevent accidental 8 main channels each with 121 privacy codes (968 available combinations) Have fun with 2-pack kids walkie talkie < p>In sunshine on weekends outdoors, it allows children to explore their own surroundings and gain confidence. Allow children to roam freely in the forest or nearby while still communicating. You can use yours Keep an eye on kids in the supermarket, park, restaurant, etc. Let the fantasies of your favorite young fireman, policeman, wannabe come true! Designed with great features< /b> 1. Good sound quality, adjustable volume. 2. Built-in flashlight for lighting needs in dark environment. 3. LCD backlight and time display function. 4. Battery saver for longer outdoor fun. 5. Low battery indicator to remind you to replace the batteries in time. 6. Hands-free and one-to-many communication. 7. The memory function keeps all settings when the walkie-talkies are switched off. 8. Thanks to the rechargeable function, you can use the walkie talkie as often as you want. Product packaging: 2 x Rechargeable Walkie Talkie 2 x Lanyard 1 x Charger 1 x User Manual