System: Open Source Linux Game: PS1 / CPS / HE0GE0 / GBA / BES / SFC / MD / GBC / GB and compatible with other simulators Screen size: 2.7 inches 4: 3 LCD Resolution: 320 x 240 CPU: Dual core Memory: RAH DDRII 128RB Internal storage: 16GB External storage: TF card (optional) Built-in speaker: 1 W External battery: 1000 mAh lithium battery Input power supply: 5V / 1000mA Power consumption: 1.5W / H Battery life: 4 hours Charging time: 2.5 hours Micro USB: Support TV-OUT: Support Headphones: Standard 3.5MM jack Unique feature: Integrate more than 30 simulators and upgrade your open source system freely. Features: 1. LCD adopts zero gap fit design of hanging mirror to enhance the visual angle and full vision. 2. Direction key is designed for electric shock of aircraft key, it enhances the sensitivity in 8 directions. 3. The LR key restores the real feel using the NG mechanical key. 4. Easy to upgrade without opening the firmware holder and disassembling it. 5. Charge interface adopts micro USB which can be charged anytime. 6. Fully compatible with open source systems or third party systems. Users can customize the UI, change LOGO, add and remove function modules, and perform other operations. Compatible with more than 30 simulators like GBA / GBC / GB / FC / SFC / NEOGEO / CPS / ATARI / MD / PS1 and it is easy to install tens of thousands of games.