Keychron BM22-A9 1K Huano Micro Switch Wireless Mouse - Black BM22-A9
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Description
Description
Keychron BM22-A9 1K Huano Micro Switch Wireless Mouse - Black BM22-A9
The Keychron BM22-A9 is a versatile wireless mouse designed for comfort, precision and everyday productivity. Featuring a PixArt PAW3212 optical sensor, durable Huano micro switches and triple-mode connectivity, it delivers reliable performance for office work, browsing and casual gaming. With Bluetooth 5.2, 2.4GHz wireless, USB-C wired operation, up to 1,000Hz polling and a rechargeable battery offering up to 100 hours of use, it combines flexibility with a lightweight 76g ergonomic design.

Key Features:
- Ergonomic right-handed wireless mouse
- PixArt PAW3212 optical sensor
- Adjustable sensitivity from 100 to 2,400 DPI
- Triple-mode connectivity
- Bluetooth 5.2 wireless connection
- Low-latency 2.4GHz wireless operation
- USB-C wired connection and charging
- Up to 1,000Hz polling rate
- Durable Huano micro switches
- 20-million-click switch lifespan
- Up to 100 hours of Bluetooth battery life
- Up to 70 hours over 2.4GHz wireless
- 450mAh rechargeable battery
- Dedicated DPI adjustment button
- Keychron Launcher customisation
- Lightweight 76g design
- Smooth PTFE mouse feet
- Integrated USB receiver storage
- Minimalist Black finish
Features
Precision PAW3212 Optical Sensor
The Keychron BM22 features a reliable PixArt PAW3212 optical sensor with adjustable sensitivity from 100 to 2,400 DPI. It provides consistent cursor tracking for browsing, document editing, spreadsheets and everyday computer tasks.
Versatile Triple-Mode Connectivity
Connect using Bluetooth 5.2, low-latency 2.4GHz wireless or a USB-C cable. These connection options provide flexibility for different workstations and allow wired operation while charging the mouse.
Responsive 1,000Hz Polling
The BM22-A9 supports polling rates up to 1,000Hz in 2.4GHz wireless and wired modes, providing responsive cursor movement and input registration. Bluetooth mode operates at 125Hz for efficient everyday wireless use.
Durable Huano Micro Switches
High-quality Huano micro switches provide reliable click feedback and are rated for up to 20 million clicks. Their durable construction supports frequent clicking during everyday work and extended computer sessions.
Comfortable Ergonomic Design
The mouse features a gently curved, symmetrical-looking body optimised for comfortable right-handed use. Its contoured shape supports natural hand positioning, making it suitable for long working sessions.
Lightweight 76g Construction
Weighing approximately 76g, the BM22 is easy to move across a desk or mousepad. Its lightweight construction provides comfortable control while reducing unnecessary bulk for portable work setups.

Long-Lasting Rechargeable Battery
The integrated 450mAh rechargeable battery delivers up to 100 hours of operation in Bluetooth mode or up to 70 hours over 2.4GHz wireless. Battery performance depends on connection mode and operating conditions.
Convenient DPI Adjustment
A dedicated DPI button allows users to adjust mouse sensitivity quickly. This makes it easy to select a comfortable tracking speed for different display resolutions and tasks.
Keychron Launcher Customisation
Keychron Launcher provides browser-based access to supported mouse settings, including button customisation, macros and polling-rate adjustments. This allows users to personalise the mouse for their preferred workflow.
Smooth PTFE Mouse Feet
Low-friction PTFE mouse feet provide smooth movement across compatible mousepads and desktop surfaces. They help maintain consistent glide for accurate everyday navigation.
Integrated Receiver Storage
A dedicated compartment underneath the mouse provides convenient storage for the 2.4GHz USB receiver when travelling. This helps keep the receiver secure between workstations.
Convenient USB-C Charging
The detachable USB-C cable supports wired operation and battery charging. This ensures users can continue working when the battery requires recharging.
- This is the 1K polling-rate model
- Maximum DPI is 2,400.
- Designed for comfortable right-handed use.
- No RGB lighting is included.
- Bluetooth polling is limited to 125Hz.
- Battery life varies by connection mode and usage.
- Keychron Launcher requires a compatible browser.
- Mousepad and computer are sold separately.
Technical Specifications:
| Specification | Details |
| Brand | Keychron |
| Model | BM22 |
| Part Number | BM22-A9 |
| Product Type | Wireless Optical Mouse |
| Mouse Design | Ergonomic / Right-Handed |
| Sensor | PixArt PAW3212 Optical |
| DPI Range | 100-2,400 DPI |
| Maximum DPI | 2,400 |
| Tracking Speed | 30 IPS |
| Acceleration | 10g |
| Microcontroller | TLSR8258 |
| Connectivity | Bluetooth / 2.4GHz / USB-C |
| Bluetooth Version | 5.2 |
| 2.4GHz Polling Rate | Up to 1,000Hz |
| Wired Polling Rate | Up to 1,000Hz |
| Bluetooth Polling Rate | 125Hz |
| Click Switches | Huano Micro Switches |
| Switch Lifespan | 20 Million Clicks |
| Body Material | ABS Plastic |
| Mouse Feet | PTFE / Teflon |
| Battery | 450mAh Rechargeable |
| Bluetooth Battery Life | Up to 100 Hours |
| 2.4GHz Battery Life | Up to 70 Hours |
| Charging Interface | USB Type-C |
| Cable | Detachable USB-C to USB-C |
| USB Receiver | 2.4GHz Type-A |
| Receiver Storage | Integrated |
| RGB Lighting | No |
| Customisation | Keychron Launcher |
| Dimensions | Approx. 110 x 62 x 38mm |
| Weight | 76g +/- 3g |
| Colour | Black |
| EAN | 4894979039453 |
| Warranty | 12 Months |
| Package Contents | Keychron BM22 Wireless Mouse, USB-C Cable, 2.4GHz USB-A Receiver, USB-A to USB-C Adapter and Documentation |
The Keychron BM22-A9 combines reliable PAW3212 optical tracking, durable Huano micro switches, triple-mode connectivity and long-lasting battery performance in a comfortable 76g design. With Keychron Launcher customisation and up to 1,000Hz polling, it is a practical solution for everyday work, productivity and casual gaming.
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