Built-in 400 Classical Games 2.800mAh rechargeable battery 3.Mini palm size design ,it is convenient for you to carry it outside. Specifications: Material: ABS Color: Black, White, Red, Blue, Yellow Screen: 3 inch TFT Screen Built-in Memory: 128Mb Games: Built-in 400 Classical Games Battery: 800mAh Rechargeable Lithium Battery Life: 8h Package Weight: 300g Feature - Built-in 400 classic games. It will take you back to your childhood - The digital multi-platform device can play on TV. - 2 Player Version - Come with a rechargeable lithium battery and a USB cable , 6 hours of continuous game play - Convenient size and Lightweight, it is perfect for playing travel or on the go Product Specification: Screen: 3 Inch Built-in: 400 games Languages: English Speaker: Yes Working time: 6 hours Battery: 600MA lithium-ion rechargeable battery