G11 PRO Game Machine TV Box Dual System HDMI HD 4K Retro Arcade 1. CPU: S905X3 2. OS: Emuelec 4.5 & Android 9.1 3. WiFi: REL81819ETV; 802.11 abgn; 2.4G 4. Support resolution: 4K 5. Interface: HDMI 6. Wireless handle power supply: 2 AAA batteries (not included) 7. Charging handle battery capacity: 400mAh 8. Remote control power supply: 2 AAA batteries (not included) 9. main unit size: about 10 x 2.5cm Features: 1. Full scene support, support various HDMI devices, 4K picture quality 2. Rounded corners, compact size 3. Support PSP, PSX, N64, GB, DC, NDS and other 60 + game simulator classification 4. Dual joystick gamepad, game buttons support customization, more convenient operation 5. Intelligent system, quick to get started, simple and easy to understand interface 6. HDMI high-definition output Packing list: - Mainframe (1 memory card included) x 1 - Wireless controller x 2 - USB receiver x 1 - Adapter x 1 - Remote control x 1 - HDMI TV cable