Specs Width: 148.7 mm Length: 391.5 mm Front Height: 21.7 mm (without keycaps) Back Height: 29.6 mm (without keycaps) Feet Height: 2 mm Angle: 3.5° / 8° / 10° Weight: 925 ± 10g (Fully Assembled Version) Body Material: ABS Plastic Plate Material: PC Polling Rate: 1000 Hz (2.4 GHz and wired) / 90 Hz (Bluetooth mode) Mount Style: Gasket Mount Design Bluetooth Device Name: Keychron V5 Max Battery: 4000 mAh Rechargeable li-polymer battery Wireless Working Time (Backlit off) : Up to 225 hours (Lab test result may vary by actual use) Wireless Working Time (RGB): Up to 100 hours (Lowest brightness) Charging Time : Around 5 hours Bluetooth Version : 5.1 Compatible System : Windows/macOS/Linux N-Key Rollover (NKRO) : Yes for both wireless and wired modes Hot-swappable: Yes. Compatible with most of the 3 pin & 5 pin MX mechanical switches such as Gateron, Cherry MX, Kailh, etc. Keycaps (Fully Assembled Version): Double-shot PBT keycaps, not shine-through, OSA Profile (OEM height, SA shape) MCU: ARM Cortex-M4 32-bit STM32F402 (256KB Flash) Switches: Gateron Jupiter (Fully Assembled Version) Backlight: South-facing RGB LED Stabilizer: Screw-in PCB stabs About this item ⌨ The V5 Max is a QMK custom mechanical keyboard with 2.4 GHz wireless and Bluetooth 5.1 connection. Coming in an 1800 compact layout, it offers a gasket mount design, sound-absorbing foam, double-shot PBT keycaps, and more to take your typing experience to a new level, delivering enhanced comfort and productivity. ➽ All-Around Customizable Keyboard ➽ 2.4 GHz & Bluetooth Connection ➽ OSA Profile Double-shot PBT Keycaps ➽ Switch Layouts Between macOS & Windows ➽ Gasket Mount Design ➽ Program V5 Max with QMK & VIA ➽ Hot-swappable ➽ South-facing RGB LED Lights ➽ Gateron Jupiter Switch ➽ Screw-In PCB Stabilizers