Keychron K2 Pro

Pros

• +75% layout keeps function row and arrow keys — every key programmers actually use
• +QMK/VIA programmability at $110 is rare — full keymap, layers, and macros via browser configurator
• +Hot-swap switch sockets allow switch experimentation without soldering
• +Bluetooth 5.1 + USB-C dual mode with physical Mac/PC toggle covers mixed workstation setups
• +Aluminum frame eliminates flex and rattle under sustained typing load

Cons

• −Aluminum frame weighs 2.36 lb — heavier than expected for a 75% form factor
• −RGB battery drain on Bluetooth is significant; most programmers disable lighting in wireless mode
• −Bluetooth occasionally requires manual reconnect after extended macOS sleep
• −Hot-swap socket adds slight switch wobble vs. soldered boards at higher price tiers