Features: R36S open-source handheld game console supports multiple emulators, with 3.5inch 640x480 screen and clear and delicate picture quality. Build in 64G/128G storage, enjoy classical game. Build in 3200mAh lithium battery for long time use. Using RK3326 high-performances processor chip, it runs smoothly. Reasonable button layout, easy to understand operation. Upgraded mechanical button triggers, double 3D joysticks for comfortable grip and better gaming effects. Specifications: Material: ABS Color: refer pictures to selection please Memory Storage: 64G, 128G(optional) Size: approx. 16.5x10.5x4.50cm/6.5x4.13x1.77inch Model Name: Open Source R36S Retro Handheld Video Game Console Chip: RK3326 464 Bit DDR4 1G Screen: 3.5inch 640x480 Frequency: 2666MHz Battery: Build-in 3200mAh Battery Package Includes: 1 Piece Handheld Game Console note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.