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| Lofree Flow 2 | Keychron K17 Max | Keychron K3 Pro |
84 Overall/ Value 83.7Build Quality 83.9Customizability 86.4Performance 54.3Productivity 86.6Portability 55.9![]() | 88 Overall/ Value 87.9Build Quality 81.9Customizability 93.2Performance 83.7Productivity 93.4Portability 54.8![]() | 87 Overall/ Value 86.9Build Quality 81.4Customizability 89.2Performance 80.9Productivity 80.0Portability 77.3![]() |
0.0 stars (0 reviews) | 4.5 stars (2 reviews) | 4.6 stars (54 reviews) |
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Name Lofree Flow 2 | Name Keychron K17 Max | Name Keychron K3 Pro |
Release year 2025 | Release year 2024 | Release year 2022 |
Switch Options Silent | Switch Options Tactile, Linear, Clicky | Switch Options Linear, Tactile, Clicky |
Profile Low Profile | Profile Low Profile | Profile Low Profile |
Hot Swappable | Hot Swappable | Hot Swappable |
Layout Size Unknown | Layout Size 96% | Layout Size 75% |
Layout Standard ANSI | Layout Standard ISO, ANSI | Layout Standard ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, 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, 2.4 GHz, Wired, Wireless | Connection Bluetooth, 2.4 GHz, Wired, Wireless | Connection Bluetooth, Wired, Wireless, 2.4 GHz |
Polling Rate 1000 Hz | Polling Rate 1000 Hz | Polling Rate 1000 Hz |
Battery capacity 3000 mAh | Battery capacity 2000 mAh | Battery capacity 1550 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 PCB Mount | Mount Style Tray Mount |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight White | Backlight Rgb, White, North-face | Backlight Rgb, South-face, White, North-face |
Case Colors | Case Colors | Case Colors |
Case Material Aluminum | Case Material ABS, Aluminum | Case Material Aluminum, Plastic, ABS |
Keycaps Material PBT, PC | Keycaps Material PBT | Keycaps Material ABS, PBT |
Dimensions 22 x 341 x 107 mm | Dimensions 27 x 119 x 387 mm | Dimensions 15 x 306 x 116 mm |
Weight 870g | Weight 750g | Weight 930g |
The Lofree Flow 2 Smoothness Evolved is a low-profile mechanical keyboard designed for users who prioritize a smooth, quiet typing experience with versatile connectivity. It suits office workers, writers, and enthusiasts who value refined ergonomics and a minimalist design. Its multiple layout options and VIA support make it adaptable for various workflows and operating systems.
The keyboard is machined from a single block of aluminum, creating a seamless, sturdy frame with a matte anodized finish that reduces glare and feels smooth to the touch. The gasket-mounted design with multiple acoustic dampening layers minimizes vibration and noise, enhancing comfort during extended typing. Adjustable aluminum feet provide stable, customizable typing angles between 1° and 7°.
Typing on the Flow 2 is cushioned and balanced due to the gasket mount and acoustic layers, which reduce harsh feedback and noise. The low-profile switches require less force, which may reduce finger fatigue. The hot-swappable feature allows users to experiment with different switch types. The keyboard’s sound profile is quiet, making it suitable for shared or quiet environments.
Users can switch seamlessly between wired USB-C, 2.4GHz wireless, and Bluetooth 5.3 connections, supporting Windows, macOS, iOS, iPadOS, and Android devices. The relocated side USB-C port with a right-angle cable improves cable management. VIA support enables easy customization of layouts and macros across platforms.