[8 channels + 4 mile range] Walkie talkies feature an impressive 8 main channels support “one to one” and “one to more” communication, allow more kids talks on the same channel. 4 mile range enable long distance play and open a world of possibilities within your child's outdoor adventures [Clear Sound & Automatic Squelch] Our walkie talkie set have clear call alert function, crisp and smooth sound quality with adjustable volume level. Equipped with high Anti-interference function to reduce noise to enhance the fun of parent-child interaction [Easy to Use] Simple push to talk operation, double click to activate a beep single. Small and light body allow kids easy to use and just 90g per walkie talkie is easy to carry, these will fit comfortably in children's hands with ergonomic design