K13 Max - Keyboard Keychron - Free user manual and instructions
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| Product Type | Mechanical Keyboard |
| Layout | 75% (84 keys) |
| Dimensions (L x W x H) | 365 x 130 x 22 mm |
| Weight | 800 g (without cable) |
| Materials | Aluminum frame, ABS keycaps |
| Switches | Hot-swappable Gateron (Red, Blue, Brown) or Optical |
| Backlight | RGB per-key, 19 lighting effects |
| Connectivity | Bluetooth 5.1 / 2.4 GHz / USB-C wired |
| Battery Capacity | 4000 mAh |
| Battery Life | Up to 80 hours (with RGB off) |
| Polling Rate | 1000 Hz (wired & 2.4 GHz), 90 Hz (Bluetooth) |
| Key Rollover | N-key |
| Keycap Profile | OEM or SA (depending on variant) |
| Compatible Systems | Windows, macOS, Linux, Android, iOS |
| Cleaning and Maintenance | Use a soft brush and isopropyl alcohol for switches; wipe with a damp cloth |
| Safety | CE, FCC, RoHS certified; lithium battery safety |
| Spare Parts Availability | Keycaps, switches, cable, PCB available from Keychron and third parties |
| Repair | Hot-swappable switches; USB-C port replaceable; disassembly via screwdriver |
| Accessories Included | USB-C cable, keycap puller, switch puller, user manual |
Frequently Asked Questions - K13 Max Keychron
How do I connect the K13 Max via Bluetooth?
Turn on the keyboard, press Fn+1 for 3 seconds to enter pairing mode, then select 'Keychron K13 Max' on your device.
How do I charge the keyboard?
Use the included USB-C cable and connect to a power source. The LED indicator will turn red while charging and green when fully charged. Charging time is about 3 hours.
Can I use the keyboard while charging?
Yes, the K13 Max supports pass-through USB-C, allowing you to use it in wired mode while charging.
How do I switch between Windows and macOS?
Press Fn+W for Windows mode or Fn+M for macOS mode. The corresponding indicator will light up.
Are the switches hot-swappable?
Yes, the K13 Max has hot-swappable sockets compatible with most 3-pin and 5-pin mechanical switches (e.g., Gateron, Cherry, Kailh).
How do I reset the keyboard?
To factory reset, press Fn+J+Z for 3 seconds. The RGB will flash, indicating a reset.
What is the battery life?
With RGB off, the battery lasts up to 80 hours. With RGB on, it varies (about 10-20 hours depending on brightness and effects).
How do I clean the keyboard?
Use a soft brush to remove debris. For keycaps, remove them with the keycap puller and wash with mild soap and water. For switches, use isopropyl alcohol on a cotton swab.
Can I use the 2.4 GHz dongle?
Yes, plug the 2.4 GHz receiver into a USB port. The keyboard will automatically switch to 2.4 GHz mode when the dongle is connected.
How do I adjust the RGB lighting?
Use Fn with the arrow keys or Fn+Q to cycle through presets. You can also use the VIA software for custom effects.
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