Product name: R40S Pro Retro Handheld Game Console Product color: white/gray/green/purple Memory: 256GB Casing material: ABS Screen size: 3.5 inches Battery capacity: 3800 mAh Product features: 1. High-definition color screen with a 3.5-inch fully laminated display and a resolution of 640x480 pixels. Offers clear image quality and soft color reproduction to help reduce eye strain during extended gameplay. 2. Supports OTG adapter functionality. Enables video output to external displays via adapter cable. Also allows connection of external controllers for multiplayer gaming. 3. Upgraded L/R buttons with real spring-loaded four-plate triggers on the back. Designed with ergonomic curvature and grip texture for improved comfort and performance. 4. Dual 30mm joysticks combined with cross directional pad. Provides flexible control options optimized for various game genres, enhancing overall gameplay experience. 5. Long-lasting battery life with built-in 3800mAh rechargeable polymer lithium battery. Battery level is displayed in real time. Features overcharge and over-discharge protection for enhanced safety. Fully charged unit supports up to 8 hours of continuous play. Product gross weight: 350g Packing method: Boxed Package includes: Game console x1, 256GB memory card x1, data cable x1