V20 technical specifications:

System: Multiple open source linux
Game: Compatible with MAME/N64/PS/CP3/NEOGEO/GBA/NES/SFC/MD/NDS and other simulators
Display: 3.5-inch IPS
Resolution: 640*480
CPU: Allwinner 133P-ARM quad-core 1.8GHz
RAM: DDR3 1GB
External storage: TF1-OS 16GB-256GB
                              TF2-GMAE 16GB-256GB
Sound: Built-in cavity speaker 1W
Power: Built-in lithium battery 5000mAh
Input power: 5V2A
Maximum power consumption: 5W
Battery life: 10 hours
Charging time: 2.5 hours
Interface: TYPE-C charging, OTG-USB, standard 3.5MM headphone interface

Unique features "
1. Nostalgic appearance with a sense of age.
2. Flat LR trigger , easy to carry.
3. Dual TF card independent system and game storage design, no need to copy games to upgrade the system.
4. Adopt high-performance quad-core CPU, support God of War.
5. Support open source system.
6. Super large battery 5000MA 10 hours of battery life. "
Size 133*85.3*23MM (body) key up to 27MM