Robot battery: 3.7V 500MAh lithium battery (included) Remote control battery: AAA1.5V battery x 2 (not included) Battery charging method: charging line Battery charging time: 80 minutes Battery use time: about 150 minutes Remote control signal: 2.4GHz Remote control distance: 50 meters Function: Induction/touch/forward/backward/left/right/function demonstration/song dancing/encyclopedia knowledge/recording/playback/sound change /programming/volume adjustment/modular battery/light switching/R0974-1: expression switching/R0974-2: weapon switching It's DIY kits, needs to finish by yourself. Specification: B Color: Yellow Material: plastic Package Contents: 1 * Toy robot 1 * Remote control 1 * Charging cable 1 * Battery 1 * Screwdriver 1 * English instruction manual 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.