8BitDo Retro87 Mechanical Keyboard Retro RGB Lighting Green Transparent Keyboard With Large Keys 1. Data and charging interface: Type-C 2. Connectivity: Bluetooth\2.4G\Wired 3. Battery capacity: 4000mAh 4. Battery life: up to 300 hours 5. Charging time: about 4-8 hours full (only recommended 5V1A power charging) 6. Return rate: 2.4Gwired: 500Hz; Bluetooth: 125Hz 7. Keycap height class: mda height 8. Keycap technology: double-layer ABS with matte UV coating 9. Keyboard structure: Top structure, aluminum positioning plate 10. Mechanical shaft: Kawa jellyfish segmented shaft, 5-pin hot-swappable shaft holder, full-key hot-swappable 11. Lighting effects: 8 types of RGB lighting effects for all keys 12. Full key punchless: including expansion keys 13. Expansion interface: 4 super keys interface 14. Cable specifications: keyboard about 1.8 meters, super keys about 1.3 meters 15. Size: keyboard about 37.66 x 16.96 x 4.68cm, super keys about 16.02 x 7.46 x 3.23cm 16. Weight: keyboard about 1100g, super keys about 270g Features: 1. Old-fashioned cabin console with functional physical keys, transferring operation by touch 2. Double-layer crystal arrow keys, classic key design of gamepad 3. 87 keys layout, save desktop space, beautiful and practical 4. Game integrated buttons, press to call up the Game bar page 5. Retro 8 RGB lighting modes, switch at will 6. Crystal translucent keycaps, double-layer ABS material, matte UV coating, feel comfortable, stable and durable 7. 3-mode connection, switch at any time, support Bluetooth, 2.4G, wired 8. FN function shortcut keys, easy to grasp the keyboard commonly used shortcut functions 9. Super keys with macro definition 10. Receiver is not afraid of losing, exclusive magnetic absorption compartment