Retro Device Finder Retro Device Finder Select filters to refine your search Filtered (2) Filters Reset all × Coolbaby × Doubles × GameForce × Mini HDMI × Yes × × Form Factor Horizontal (2) Operating System Android (1) Aspect Ratio 16:9 (1) 5:3 (1) See more See less Brand— Doubles, Coolbaby Anbernic (23) PowKiddy (19) Unknown (4) GPD (5) SJGAM (3) Game Kiddy (1) Odroid (2) Ozone (1) Z-Pocket Game (1) Meteorish (1) Kinhank (1) Supbor (2) Doubles (1) Gamemax (1) Coolbaby (1) See more See less Chipset All chipsets ... Rockchip RK3128 (1) Screen Screen size ... 4.0-inch (1) 5.0-inch (1) Resolution ... 480x272 (1) 800x480 (1) IPS (1) TFT (1) See more See less Pixels per inch (min - max) Connectivity 1 (1) Video Out— Mini HDMI Mini HDMI (2) Micro HDMI (1) See more See less Audio 1 (2) Ports USB-C (1) USB-A (1) Micro USB (2) Controls Analog sticks ... Dual analog slidepads (1) Single analog thumbstick (1) Shoulders & triggers ... L1 + R1 (2) D-Pad on top (2) Game Performance Yes (2) Yes (2) Yes (1) (Limited) (1) Show (2) Cancel Reset all × Coolbaby × Doubles × GameForce × Mini HDMI × Yes × X20 Coolbaby RS3128