Hands-Free Function: The walkie-talkie supports voice activation (VOX)---relax kids' hands, send your voice without pressing the TALK button. It is useful for outdoor adventures, hiking, camping, horse riding and other different activities. Best memory gift for family. ^Useful Features: 22 main channels 462-467MHz (FRS/GMRS) with sub-channels, providing 2 miles wireless communication. When using CTCSS (Continuous Tone Coded Squelch System), you are free to use 99 low frequency tones (67-250MHz), your signals will not be disturbed with this strong anti-interference performance. User-friendly design: portable and easy to use, 1.2m drop resistant, built-in flashlight for night, day and night play. With a cool exterior, compact bodies, ergonomic design, channel lock function and simple push-to-talk operation, aimed at kids ages 3 and up.,^Easy to Use: Modern compact design. Simple push to talk operation, double click to activate single beep. Broadcast to single or multiple units, different channels can be used.^Perfect Gift for Kids: Kids love to chat with these well-made walkie-talkies, it's a perfect choice for introducing your child directly. Ideal for indoor and outdoor activities such as shopping, spring outings and summer camping.Products from JINYI's store Have a great time shopping!