Screen: 5.5inch, 16 million color, high speed TFT screen Simulator Supports eight game simulators (CPS, NEOGEO, GBA, SFC, MD, FC, GB, GBC) Operating mode: Button / Joystick Game: Built-in 10000 Free Random Game Connectable TV Battery: Built-in 2500mAh Lithium Battery Charge time: 1-2 hours Play time: 3-5 hours Operation Voltage: 3.5-4.2V Connection port MINI 5P USB, 3.5mm AUX earphone output / TV output, TF card holder Memory Built in 8GB, support TF card expansion to 32GB Support 8-bit 16 bit 32 bit 64 bit 128 bit games Support E-book format: TXT Support the AV television output