License-free; your children can stay in touch with friends and family anytime while camping or in a crowded supermarket. Compact and lightweight body; ergonomic design with rounded corners is more comfortable and reduces scratches; attractive and durable plastic can be used for a long time. VOX and 2.5 mm headset connection; VOX function allows children to talk directly to their neighbors without pressing the PTT button; you can also connect headsets to the unit (not included). Multi-channel walkie talkie communication; one-to-one or one-to-many communication functions allow more walkie talkies to communicate on the same channel. Key lock function works for children to stay on the same channel while playing; preventing children from switching channels. Adjustable volume and clear sound quality; with a belt clip on the backside, children can attach the walkie talkie to clothing or anywhere; each walkie talkie requires 3 AA batteries (not included). Great gift for children; walkie talkie can stimulate children's interest in communication; let your children enjoy family adventures or outdoor play adventures