Specs Model: ZX75 / OG80Type: Mechanical KeyboardLayout: 75% / 80%Keys Count: ZX75 - 81 / OG80 - 83Materials: ABS Keycaps + PC FrameSwitches: TTCSwitches Orientation: OG80 (North-facing) / ZX75 (South-facing)Lifespan: 100 Million KeystrokesKeycap Printing: UV    Keycap Profile: CherryConnection: Bluetooth 5.1 / 2.4GHz / USB Type-CHot Swappable: SupportN-Key Rollover: SupportBattery Capacity: ZX75 - 6000mAh (5V*1A) / OG80 - 4000mAh (5V*1A)Response Time: 1ms (Wired & 2.4GHz) / 8ms (Bluetooth)Polling Rate: 1000Hz (Wired & 2.4GHz) / 125Hz (Bluetooth)Interface: USB Type-CCable Length: 150cmApprox. Product Weight: ZX75 - 1200g / OG80 - 1140gDimensions: OG80 (346 x 151 x 44 mm) / ZX75 (325 x 163 x 65 mm)Operating Systems: Windows / macOS / iOS / Android*(Windows 7 or previous versions ONLY support 2.4GHz connection.)Package List: Keyboard×1, Manual×1, Mac Supplementary Keycaps×4, Puller×1, Dust Cover×1, 2.4GHz Receiver×1  Note:1. All product images shown are for illustration purposes only. Actual products may vary due to product enhancement or change.2. The product specifications are manually measured. The actual size and weight may vary depending on the manufacturing process and measurement methods. Certain product specifications and accessories may change due to reasons such as changes in suppliers or manufacturers.3. Charger Caution: The rated power for the charger must not exceed 5V⎓1A. Connection to a higher power output will damage the keyboard. We suggest you charge the keyboard via your USB port on your computer only. Please don’t use power outlets or Ac adapters to charge the keyboard.4. Battery Endurance: Testing conducted by IQUNIX using a preproduction keyboard with Bluetooth connected and backlit off, and 8 hours of using per day. Operating time varies with settings and environmental factors; actual results will vary due to differences in environments or individual devices.