Compact and lightweight body; ergonomic design with rounded corners is more comfortable and reduce scratches;beautiful and strong plastic can be used for a long time VOX and 2.5mm headphone connection;the VOX function enables children to speak directly to their neighbors without pressing the PTT button;you can also connect headphones to the device (not included) Multichannel walkie talkies communication;one-to-one or one-to-more communication function allow more walkie talkies to communicate on the same channel Adjustable volume and clear sound quality;with the belt clip on the back, children can attach the walkie talkie to clothing or anywhere; each walkie talkie requires 3 AA batteries (not included