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| Lofree Flow100 | Nuphy Air100 V3 | Keychron K5 Ultra |
67 Overall/ Value 66.9Build Quality 66.7Customizability 60.7Performance 63.2Productivity 65.1Portability 55.9![]() | 89 Overall/ Value 88.6Build Quality 82.7Customizability 92.7Performance 82.5Productivity 92.7Portability 56.7![]() | 85 Overall/ Value 85.0Build Quality 75.8Customizability 90.1Performance 91.3Productivity 92.7Portability 56.7![]() |
0.0 stars (0 reviews) | 0.0 stars (0 reviews) | 0.0 stars (0 reviews) |
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Name Lofree Flow100 | Name Nuphy Air100 V3 | Name Keychron K5 Ultra |
Release year 2024 | Release year 2024 | Release year 2026 |
Switch Options Linear, Tactile | Switch Options Clicky, Low-profile | Switch Options Tactile, Linear, Clicky |
Profile Low Profile | Profile Low Profile | Profile Low Profile |
Hot Swappable | Hot Swappable | Hot Swappable |
Layout Size 100% | Layout Size 100% | Layout Size 100% |
Layout Standard ANSI | Layout Standard ISO-DE, ISO, ANSI, JIS | Layout Standard ISO-DE, ISO-ES, ISO-FR, ISO-IT, ISO-PT, ISO, ANSI |
Layout Ergonomics Normal | Layout Ergonomics Normal | Layout Ergonomics Normal |
Knob Support | Knob Support | Knob Support |
Display Support | Display Support | Display Support |
Mac/Win Support | Mac/Win Support | Mac/Win Support |
Multi-Media Keys | Multi-Media Keys | Multi-Media Keys |
USB-C | USB-C | USB-C |
USB passthrough | USB passthrough | USB passthrough |
Connection Bluetooth, Wired, Wireless | Connection Bluetooth, 2.4 GHz, Wired, Wireless | Connection Bluetooth, 2.4 GHz, Wired, Wireless |
Polling Rate - | Polling Rate 1000 Hz | Polling Rate 8000 Hz |
Battery capacity 3000 mAh | Battery capacity 4000 mAh | Battery capacity 2600 mAh |
Hall Effect Support | Hall Effect Support | Hall Effect Support |
QMK Support | QMK Support | QMK Support |
VIA Support | VIA Support | VIA Support |
VIAL Support | VIAL Support | VIAL Support |
N-Key Rollover | N-Key Rollover | N-Key Rollover |
Rapid Trigger | Rapid Trigger | Rapid Trigger |
Mount Style Gasket Mount | Mount Style Gasket Mount | Mount Style - |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight Rgb, White | Backlight Rgb, North-face | Backlight Rgb, White, North-face |
Case Colors | Case Colors | Case Colors |
Case Material Aluminum | Case Material Aluminum, Polycarbonate, Plastic | Case Material ABS, Wood, Metal |
Keycaps Material PBT | Keycaps Material PBT | Keycaps Material PBT |
Dimensions 26 x 126 x 373 mm | Dimensions 13 x 381 x 134 mm | Dimensions - |
Weight 738g | Weight 950g | Weight 566g |
The Lofree Flow100 Low Profile is a slim mechanical keyboard designed for users who want a compact, stylish device with customizable typing feel and versatile connectivity. It suits office professionals and tech enthusiasts who value quiet, smooth keystrokes and the ability to switch between multiple devices easily. Its low-profile design and hot-swappable switches offer flexibility for different typing preferences.
The keyboard features a durable aluminum-alloy frame that contributes to a solid, stable base. Its slim profile and textured PBT keycaps resist shine and wear, maintaining a consistent look and feel over time. The ANSI 96% layout balances compactness with functionality.
Users can choose between linear, tactile, or clicky switch types to match their preferred feedback and sound level. The low-profile switches have a shorter travel distance, which can reduce finger fatigue during extended typing. The gasket mount and foam layers soften keypresses, enhancing comfort and reducing noise.
The Flow100 supports wired USB-C connection and Bluetooth 5.3 wireless mode. Switching between modes is instant, making it suitable for users who work across multiple devices or prefer wireless freedom with wired reliability when needed.