Features: High-clear full-fit screen: 5.5-inch IPS full-fit screen, 1280*720 high resolution, brings you clear and delicate game images, enhancing your game experience. Open source system: Using open source linux system, supporting EE/JELOS/UOS and other multiple systems, you can freely choose and switch systems according to your needs, making it more flexible to use. Multi-function link: Support HDMI high-definition output, can connect to a large screen for gaming; at the same time, it supports WIFI/Bluetooth link, can connect to the network for online games, or connect to Bluetooth devices for data transmission. Multiple emulator support: Support more than 30 emulators, up to PSP, can play various classic games, meeting your different game needs. High-voltage polymer lithium battery: 4000mAh high-voltage polymer lithium battery, can provide a long time of game experience, no need for frequent charging. Specification: Optional color: Black / Blue Optional memory: 16+64G / 16+128G / 16+256G Material: ABS Game: Support CPS, FBA, FC, GB, GBA, GBC, NEOGEO, SFC, MD, PS, N64, PSP,30 emulators supporting users to add relevant format games Display: 5.5inch IPS 720x1280 CPU: Rock-chips RK3566,Quad-core ARM Cortex-A55,CPU Clock Speed:1.8GHZ RAM: LPDDR4X, 1GB GPU: ARM Mali-G52 System: Linux system Language: Simplified Chinese, Korean, Japanese, Spanish, English languages Battery: Polymer lithium-ion battery 4000 mAh Battery life: 4 hours Sleep state: 40MA Power on standby: 470MA Handle: Supports Bluetooth handle connection, up to 4 handles can be connected Interface: TYPE-C charging, TV high-clear display, Headset 3.5MM Function: Screen brightness setting, volume setting, sleep setting, game button setting, low battery reminder Product size: 21.25*9.45*1.9cm Product weight: 0.293kg Packaging size: 24*12.1*6.43cm Package weight: 0.476kg Package list: 1* Host 1* Charging Cable 1* Instruction manual