Keychron has officially introduced the BM27, a new wireless vertical ergonomic mouse designed for office users seeking improved comfort during extended work sessions. Featuring a 55-degree ergonomic tilt, tri-mode connectivity, and up to 100 hours of battery life, the BM27 aims to reduce wrist strain while offering reliable wireless performance.
Ergonomic Vertical Design for All-Day Comfort
The Keychron BM27 adopts a vertical ergonomic shape with a 55° inclination angle, allowing users to maintain a more natural handshake-style grip. This design is intended to reduce pressure on the wrist and forearm compared to conventional flat mice, making it a suitable option for professionals who spend long hours working at a computer.
The mouse measures 111.16 × 83.91 × 66.57 mm and weighs 99 grams, striking a balance between portability and ergonomic support.
Tri-Mode Wireless Connectivity
The BM27 supports three connection modes, giving users the flexibility to switch between multiple devices and operating environments. In wireless mode, Keychron claims the mouse can deliver up to 100 hours of battery life on a single charge, making it well-suited for everyday productivity without frequent recharging.
PAW3212 Sensor and Quiet Operation
Powering the BM27 is the PixArt PAW3212 optical sensor, offering:
- Up to 2400 DPI (CPI) sensitivity
- Tracking speeds of 30 IPS
- 1000Hz polling rate for responsive cursor performance
The mouse is equipped with silent microswitches, reducing click noise in shared workspaces or quiet office environments.
Additional design features include a skin-friendly UV-coated finish for enhanced grip and durability, along with PTFE feet on the underside to ensure smooth movement across a variety of surfaces.
Pricing and Availability
The Keychron BM27 is now available through the company’s official online store with a retail price of US$34.99.
The mouse has also appeared through third-party retailers in Hong Kong, where it is listed at HK$299, which is broadly in line with the official international pricing after currency conversion.
Final Thoughts
With its ergonomic vertical design, long battery life, quiet switches, and affordable price point, the Keychron BM27 is positioned as an attractive productivity mouse for office professionals, remote workers, and anyone looking to reduce wrist fatigue during extended computer use.
At US$34.99, the BM27 offers a compelling combination of ergonomic comfort, reliable wireless connectivity, and practical everyday performance, making it a competitive option in the growing market for ergonomic computer peripherals.