Keychron K8 Max keyboard Universal USB + RF Wireless + Bluetooth Black

Detachable cable: Yes
Hot-swap: Yes
Product colour: Black
Backlight colour: Multicolour
Surface coloration: Monochromatic
Backlight: Yes
Ergonomic design: Yes
Material: Acrylonitrile butadiene styrene (ABS), Aluminium
Adjustable backlight: Yes
Keyboard style: Straight
Backlight type: RGB LED
USB Type-C charging port: Yes
Keyboard battery type: Built-in battery
Rechargeable: Yes
Battery life (max): 190 h
Power source type: Battery, USB
Operating temperature (T-T): -10 - 50 °C
Keyboard weight: 1.31 kg
Keyboard dimensions (WxDxH): 359.2 x 129.2 x 14.14 mm
Mac operating systems supported: Yes
Windows operating systems supported: Yes
Linux operating systems supported: Yes
Number of products included: 1 pc(s)
Receiver included: Yes
Mouse included: No
Battery technology: Lithium Polymer (LiPo)
Battery capacity: 4000 mAh
Multimedia keys: Yes
Numeric keypad: No
Pointing device: No
Physical layout: ANSI
Keyboard form factor: 80%
Keycaps material: Polybutylene terephthalate (PBT)
Keyboard key switch: Mechanical
Frequency band: 2.4 GHz
Recommended usage: Universal
Connectivity technology: Wired & Wireless
Keyboard key profile: High-profile
Keycaps: Double shot
Device interface: USB + RF Wireless + Bluetooth
Keyboard number of keys: 87
Polling rate: 90
Keyboard keys operating life: 50 million characters
Rollover: N-key rollover
Bluetooth version: 5.1