3 Voice-changing effects, fun for kids to play Other than original sound mode, there are 3 other voice mode, and hold "M" Keyfor 2 seconds,then release it toswitch. Range to 1000 FT one-to-one transmission Maximum communication distance in open field up to 1000ft, one-to-one WIFI2.4G connection, not supportone to many communication. Rechargeable Kids Walkie-Talkies, 650 mAh Built-in Lithium Battery. Video calling, Simple to talk, 1 channel only, with volume adjustment. Electronic Toy Category: Walkie-Talkie Target Audience: Unlimited Skills Development: Other Skills Development Animated Character: No Color: Blue Material: plastic Package Contents: 2 * Walkie Talkies Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.