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- Keychron K3 – Full specification
Keychron K3 – Full specification
Specifications
Genral Info
| Brand | Keychron |
| Model Name | K3 |
| Series | K-Series |
| Type | Mechanical (Wireless + Wired) |
| Layout | 75% (Low-profile tenkeyless) |
| Release Year | 2021 |
| Use Case | Work, Travel, Productivity |
DESIGN & BUILD
| Frame Material | Aluminum top frame + plastic bottom |
| Plate Material | Steel |
| Keycap Material | ABS (Low-profile double-shot) |
| Color Options | Black, Grey |
| Dimensions (L × W × H) | 306 × 116 × 22 mm |
| Weight | 480 g |
| Form Factor | Compact 75% |
| Finish | Matte anodized texture |
SWITCH & TYPING EXPERIENCE
| Switch Type | Low-profile Mechanical (Hot-swappable) |
| Switch Options | Keychron Low-profile Red / Blue / Brown |
| Mount Type | Plate mount |
| Stabilizers | Clip-in stabilizers (factory-lubed) |
| Typing Angle | Adjustable (2 levels) |
| Key Rollover | Full N-key (wired) / 6-key (Bluetooth) |
| Actuation Force | ~45g (depends on switch) |
| Key Travel | 1.2 mm actuation / 2.5 mm total |
| Typing Feel | Short travel, crisp feedback, quiet |
PERFORMANCE
| Response Time (Bluetooth) | ~8–10 ms |
| Response Time (Bluetooth) | ~8–10 ms |
| Anti-Ghosting | Full NKRO (wired) |
| Input Lag | Minimal (low-latency mode) |
| Latency Mode | Low-latency toggle available |
RGB & LIGHTING
| Backlight Type | Per-key RGB |
| LED Orientation | South-facing |
| Lighting Effects | 18+ preset effects |
| Custom Effects | Supported via VIA/QMK |
| Brightness Levels | 4-step adjustable |
| Control | Software + onboard shortcuts |
SOFTWARE & CUSTOMIZATION
| Firmware | QMK / VIA compatible |
| Key Remapping | Fully programmable |
| Macro Support | Yes |
| Profile Storage | 3 onboard profiles |
| Firmware Update | Yes, via USB-C |
| Hotkey Shortcuts | RGB control, device switch, media |
SOUND & COMFORT
| Acoustic Dampening | Foam-padded layers |
| Typing Sound Profile | Soft and clean low-tone sound |
| Noise Reduction | Optimized with switch pads |
| Wrist Rest | Optional (sold separately) |
| Tilt Feet | 2-level adjustable |
Support and compatibility
| Software Support | macOS, Windows, Linux, Android, iOS |
| Plug-and-Play | Yes |
| Layout Options | macOS / Windows keycaps included |
BATTERY & CONNECTIVITY
| Battery Capacity | 1550 mAh |
| Battery Type | lithium battery |
| Battery Life (No RGB) | Up to 90 hours |
| Battery Life (RGB On) | 30–35 hours |
| Charging Port | USB Type-C |
| Charge Time | Around 2.5 hours |
| Wireless Mode | Bluetooth 5.1 |
| Wired Mode | USB-C cable connection |
| Multi-Device Pairing | Up to 3 devices |
| Switch Between Devices | Fn + 1/2/3 shortcuts |
| Polling Rate (Wired) | 1000 Hz |
| Polling Rate (Wireless) | 125 Hz |
