There is no need to copy the game to upgrade the system because of its dual TF card independent system and game storage design. With 3.5-inch IPS screen, high resolution and wide viewing angle, you can enjoy highly clear video and wonderful game experience. It is constructed of ABS material. The length of this product is 12cm, the width is 8.3cm and the height is 2.1cm. It is not only suitable for children, but also suitable for adults. It supports open source system and is compatible with multiple emulators. Item Name: Game Console Material: ABS Model: RGB20S Style A/D: 16G+32G, B/E: 16G+64G, C/F: 16G+128G (Optional) System: A Variety of Open Source for Linux Display: 3.5-inch IPS Highly Clear Screen Resolution: 640 x 480 CPU: ARM Quad-core High-performance Open Source Chip RAM: DDR3L 1GB External WifFi: Support External Dual-band 2.4 and 5G Speaker: 2W Built-in Battery: 3500mAh (Included) Input Power: 5V2A Maximum Power Consumption: 5W Battery Life: 8 Hours Charging Time: 2 Hours Interface: Support Type-C Fast Charging, OTG-USB, 3.5mm Earphone Game: Compatible with Various Emulators Such As MAME/N64/PS/CP3/NEOGEO/NES/MD Features: Nostalgic, Wide Viewing Angle, Long Battery Life Size Details: 12cm x 8.3cm x 2.1cm/4.72" x 3.27" x 0.83" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Game Console 1 x Charging Cable 1 x User Manual