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| Lofree Flow 2 | Keychron K3 Max | Keychron K17 Max |
84 Overall/ Value 84.4Build Quality 84.3Customizability 86.9Performance 54.8Productivity 87.5Portability 56.0![]() | 94 Overall/ Value 93.9Build Quality 86.5Customizability 92.4Performance 81.1Productivity 94.4Portability 77.2![]() | 88 Overall/ Value 87.8Build Quality 82.0Customizability 93.0Performance 83.7Productivity 93.3Portability 54.6![]() |
0.0 stars (0 reviews) | 4.7 stars (9 reviews) | 4.5 stars (2 reviews) |
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Name Lofree Flow 2 | Name Keychron K3 Max | Name Keychron K17 Max |
Release year 2025 | Release year 2023 | Release year 2024 |
Switch Options Silent | Switch Options Tactile, Linear, Clicky | Switch Options Tactile, Linear, Clicky |
Profile Low Profile | Profile Low Profile | Profile Low Profile |
Hot Swappable | Hot Swappable | Hot Swappable |
Layout Size Unknown | Layout Size 75% | Layout Size 96% |
Layout Standard ANSI | Layout Standard ISO, ISO-UK, ISO-DE, ISO-Nordic, ISO-SW, ANSI | Layout Standard 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, 2.4 GHz, Wired, Wireless | Connection Bluetooth, 2.4 GHz, Wired, Wireless | Connection Bluetooth, 2.4 GHz, Wired, Wireless |
Polling Rate 1000 Hz | Polling Rate 1000 Hz | Polling Rate 1000 Hz |
Battery capacity 3000 mAh | Battery capacity 1550 mAh | Battery capacity 2000 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 Plate Mount | Mount Style PCB 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, White, North-face |
Case Colors | Case Colors | Case Colors |
Case Material Aluminum | Case Material ABS, Aluminum, Wood, Plastic | Case Material ABS, Aluminum |
Keycaps Material PBT, PC | Keycaps Material PBT, ABS | Keycaps Material PBT |
Dimensions 22 x 341 x 107 mm | Dimensions 22 x 306 x 116 mm | Dimensions 27 x 119 x 387 mm |
Weight 870g | Weight 580g | Weight 750g |
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.