The RG503 features the versatile Rockchip RK3566 quad-core 64-bit Cortex A55 processor (up to 1.8GHz) and the Arm Mali-G52 GPU. The performance has improved a lot compared to the previous generation RK3326 chip, and the game can be played smoothly. High-performance 2.4 / 5G WiFi module enables multiplayer. You can play PC games with moonlight. It has a built-in Bluetooth 4.2 module and can be connected to a wireless controller. It’s a great experience to play against each other. This product uses a 4.95 inch OLED screen. High resolution 960 * 544. It supports HDMI output, so you can get clear images even when connected to a TV. Gives the player a better visual experience. Long duration (6 hours) with 3500mAh battery. TF card can be expanded and supports up to 512GB expansion. High quality dual stereo speakers installed. Multiple game formats available, and support users to download games in relevant formats.