Ro-ràdh
This manual provides detailed instructions for the Keychron K3 Version 2 Ultra-Slim Mechanical Keyboard. Please read this manual thoroughly before using the keyboard to ensure proper setup and operation. The Keychron K3 is a compact 75% layout ultra-slim wireless mechanical keyboard designed for productivity and a tactile typing experience.

Image: Keychron K3 keyboard integrated into a multi-device workspace.
Suidhich
Susbaint pacaid
- 1 x Fully Assembled Keychron K3 Keyboard
- 1 x Càball USB-A gu USB Seòrsa-C
- 1 x Keycap Puller
- Meur-chlàran a bharrachd airson siostaman obrachaidh Windows agus Mac
Modhan ceangail
Tha an Keychron K3 a’ toirt taic do cheanglaichean Bluetooth 5.1 gun uèir agus USB Type-C le uèir.

Image: Visual guide for connecting the Keychron K3 via USB or Bluetooth.
Ceangal Bluetooth:
- Locate the mode switch on the side of the keyboard. Slide the switch to the Bluetooth suidheachadh.
- Cùm sìos an Fn+1 keys simultaneously until the Bluetooth indicator light flashes repeatedly, indicating pairing mode.
- On your device (laptop, PC, tablet, or phone), enable Bluetooth, search for "Keychron K3", and connect.
- The keyboard can connect to up to 3 devices. Use Fn+1, Fn+2, or Fn+3 gluasad eadar innealan càraideach.
Note: Keep the distance between the keyboard and the device within reasonable limits to minimize signal interference.
Ceangal Wired:
- Locate the mode switch on the side of the keyboard. Slide the switch to the Càball suidheachadh.
- Connect the provided USB Type-C cable from the keyboard to your computer's USB port.
- The keyboard will be recognized automatically as a plug-and-play device.
Co-fhreagarrachd siostam-obrachaidh
The Keychron K3 is compatible with both Mac and Windows operating systems. It includes extra keycaps for both systems.

Image: Side switches for selecting operating system layout and connection type.
Use the dedicated switch on the side of the keyboard to select between Bhuannaich / Android agus Mac/iOS layouts. Ensure the correct layout is selected for optimal functionality.
If the keyboard layout does not match your device exactly, consider updating the keyboard's firmware from the official Keychron weblàrach.
Obrachaidh
Eòlas clò-sgrìobhaidh
The Keychron K3 features low-profile Keychron mechanical switches (Red Switch variant) which are 40% slimmer than conventional switches. This design results in a shorter pre-travel and total travel distance, allowing for faster input and feedback.

Image: Low-profile ABS keycaps on the Keychron K3.
Smachd backlight
The keyboard is equipped with a white LED backlight. You can adjust the brightness and switch between various lighting effects using the dedicated function keys.

Image: White LED backlighting illuminates the keys and low-profile red mechanical switches.
- Brùth Fn + f5 gus soilleireachd an t-solais-cùil a lùghdachadh
- Brùth Fn + f6 gus soilleireachd an t-solais-cùil a mheudachadh
- Brùth Fn + f4 to cycle through different backlight effects.
Eilthireachd ioma-mheadhan
The K3 includes all necessary Mac multimedia keys and is also compatible with Windows multimedia functions. These keys are typically accessed by pressing the Fn key in combination with the top row function keys (F1-F12).
- Fn + f1Lùghdaich soilleireachd na sgrìn
- Fn + f2Meudaich soilleireachd na sgrìn
- Fn + f7: An t-slighe roimhe
- Fn + f8: Cluich / Stad
- Fn + f9: An ath cheum
- Fn + f10: Mothaich
- Fn + f11: Volume sìos
- Fn + f12: Volume suas
Cumail suas
A 'glanadh a' mheur-chlàr
To maintain optimal performance and appearance, regularly clean your Keychron K3 keyboard.
- Ceapan-iuchrach: Use the provided keycap puller to carefully remove keycaps. Clean them with a soft, damp clò agus siabann tlàth ma tha sin riatanach. Dèan cinnteach gu bheil iad gu tur tioram mus cuir thu iad air ais.
- Corp a' Mheur-chlàir: Wipe the aluminum body and plastic bottom frame with a soft, lint-free cloth. For stubborn dirt, a slightly damp Faodar clò a chleachdadh. Seachain cus taiseachd.
- Switches: Use compressed air to remove dust and debris from around and under the switches.
Fiosrachadh bataraidh
The Keychron K3 is powered by a rechargeable battery. The battery life can last up to 34 hours on the lowest brightness setting.
- A' cur cosgais: Connect the keyboard to a power source using the USB Type-C cable. The charging indicator light will show the charging status.
- Glèidheadh bataraidh: To prolong battery life, turn off the backlight when not needed and switch the keyboard to wired mode when possible.
Fuasgladh thrioblaidean
Cùisean Ceangail
- Bluetooth gun cheangal:
- Ensure the keyboard's mode switch is set to Bluetooth.
- Verify the keyboard is in pairing mode (Fn + 1/2/3 a' lasadh).
- Thoir sùil air roghainnean Bluetooth an uidheim agad agus dèan cinnteach gu bheil e ri lorg.
- Feuch ri dìochuimhneachadh an inneal air a’ choimpiutair agad agus ath-chàraideachadh.
- Dèan cinnteach gu bheil bataraidh a’ mheur-chlàir air a luchdadh.
- Ceangal uèirleasach nach eil ag obair:
- Ensure the keyboard's mode switch is set to Càball.
- Feuch port USB eile air a’ choimpiutair agad.
- Test with a different USB Type-C cable.
Iuchraichean nach eil a 'freagairt
- Ensure the keyboard is properly connected (Bluetooth or wired).
- Check if the correct operating system layout is selected (Mac/iOS or Win/Android).
- Restart the keyboard by cycling the power switch off and on.
- If specific keys are not working, try removing the keycap and clearing any debris around the switch.
Cùisean cùl-sholais
- Ensure the backlight is not turned off or set to the lowest brightness. Use Fn + f6 gus soilleireachd àrdachadh.
- If the backlight is inconsistent, ensure the keyboard battery is sufficiently charged.
Sònrachaidhean

Image: Keychron K3 75% compact layout with dimensions.

Image: Ultra-slim body design and low-profile switch comparison.

Image: Detailed specifications for the Keychron Low Profile Mechanical Red Switch.
| Feart | Mion-fhiosrachadh |
|---|---|
| Brand | Meur-chlàr |
| Modail Àireamh | K3A1 |
| Teicneòlas ceangail | Bluetooth 5.1, USB Type-C wired |
| Àireamh de dh'Iuchraichean | 84 |
| Seòrsa Switch | Ìosal Profile Gateron Mechanical - Red |
| Cùl-sholais | LED geal |
| Innealan co-fhreagarrach | Laptop, PC, Fòn-làimhe, Clàr |
| OS co-chòrdail | MacOS, Windows |
| Meudan toraidh (L x W x H) | 12.05" x 4.57" x 0.83" |
| Cuideam nì | 500 gram |
| Stuth cuairteachaidh | Styrene acrylonitrile butadiene, alùmanum |
| Battery Life (lowest brightness) | Suas ri 34 uairean a thìde |
Barantas & Taic
Fiosrachadh Barantais
The Keychron K3 Version 2 keyboard comes with a Barantas cuibhrichte 1-bliadhna bhon neach-dèanamh. Tha am barantas seo a’ còmhdach lochdan ann an stuthan agus obair-ciùird fo chleachdadh àbhaisteach. Feuch an gleidh thu dearbhadh do cheannach airson tagraidhean barantais.
For detailed warranty terms and conditions, please refer to the official Keychron weblàrach-lìn no cuir fios chun taic teachdaiche aca.
Taic Luchd-cleachdaidh
Airson tuilleadh cuideachaidh, taic theicnigeach, no ceistean barantais, tadhail air làrach-lìn oifigeil Keychron. weblàrach:
You may also find helpful resources, FAQs, and firmware updates on their support pages.