The button distribution is reasonable and easy to understand. Understand the position and function of buttons, and be familiar with the use of combination keys.It can help you better experience the joy of JOYSTICK LIGHT Colorful breathing light Monochrome lamp Cool lights Handheld game comprehensive upgrade, Dual joystick combined with ambient light, It is destined to bring a different gaming experience The L/R key with four buttons, button curvature, and appropriate spacing size.Enhance grip and release fingers to achieve better gaming state Hign-concerned Chemical:None Games Type:Retro Video Game Category:Handheld Game Players Screen Resolution:1920x1080 :for Linux Display Size:4.3inch (The product printed words depending on the batch, but this does not affect use) Color: Black Material: ABS Package Contents: 1 * Retro Game Console Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.