built-in 400 classical games: it's a good gift for your children, friends, both boys and girls will like it.adapted av cable: applicable to tv system, so that you can easily enjoy vivid and exciting games on a big screen.3.0 inches tft color screen: high definition display, precise images transmission without delaying.play longer: 600mah rechargeable lithium battery, support up to 3-4 hours of continuous game playperfect gift for children, retro game lovers, collectors, etc.built-in 400 classic games can be played on tv rechargeable lithium-ion battery and usb cable, 6 hours of continuous game play after full charge small size and light weight, suitable for traveling perfect gift for children, retro game lovers, collectors, etc. specifications: screen:3 inch languages: english, chinese games: 400 battery type: rechargeable lithium-ion battery battery volume: 600mah charging mode: usb working time: 6 hours after full charge