Keychron BM22 Wireless Mouse User Manual

In the Box:

Mouse x 1
Type-A to Type-C Cable x 1
Type-A Receiver x 1
User Manual x 1
Type-A to Type-C Adapter x 1

Mouse Overview

Component Identification:

The Keychron BM22 mouse features several key components:

Top View:

① Left button
② Right button
③ Middle wheel button
④ Forward button
⑤ Backward button
⑥ DPI button

Bottom View:

⑦ Mode toggle switch
⑧ Mouse indicator light
⑨ Pair button

Receiver:

⑩ 2.4GHz Type-A receiver

3 Modes of Connection

Wired Mode:

1. When the mode switch is in the ' ' position, the mouse will not respond if the cable is not connected.

2. Connect the Type-C cable to the mouse and the USB port on your device. The mouse is ready to use when the backlit lights up. ?

* When connected by cable, the mode will default to wired mode even if the toggle is in Bluetooth or 2.4GHz mode.

Connection Diagram: A laptop is shown connected via a USB-A to Type-C cable to the mouse.

2.4GHz Mode:

1. Switch the mode toggle to the "2.4G" position (2.4GHz mode). The mouse will automatically enter 2.4GHz pairing mode, and the mouse indicator will slowly flash green. ?

2. Connect the 2.4GHz receiver to the device's USB port. Once successfully connected, the mouse indicator will turn solid green for 3 seconds, then dim off. ?

3. In 2.4GHz pairing mode, the mouse indicator will slowly blink green for 3 minutes. If the mouse is not connected within 3 minutes, the mouse indicator will turn off. If you need to reconnect, hold the "Pair button" for 3 seconds to re-enter pairing mode. ?

* If you need to repair the connection in 2.4GHz mode, please unplug the 2.4GHz receiver first. Then, hold the "Pair button" for 3 seconds, wait for the green light indicator to start flashing, and plug the 2.4GHz receiver back in to complete the pairing process. ?

Note: It is recommended that when pairing the mouse in 2.4GHz mode, the mouse should be within 20cm of the receiver.

Connection Diagram: Shows the mouse bottom with the 2.4G switch, connected via a USB-A receiver to a laptop. Another diagram illustrates holding the Pair button for 3 seconds to enter forced pairing mode.

Bluetooth Mode:

1. Switch the mode toggle to the "?" position (Bluetooth mode). The mouse will automatically turn on Bluetooth pairing mode, and the mouse indicator will slowly flash blue. ?

2. Open your device's Bluetooth settings, search for a device named "Keychron BM22", and click "connect" to complete pairing.

3. When in Bluetooth pairing mode, the mouse indicator will slowly blink blue for 3 minutes. If it's not connected within 3 minutes, the mouse indicator will turn off. If you need to reconnect, hold the "Pair button" for 3 seconds to re-enter pairing mode. The mode indicator will slowly blink blue. ?

4. If the mouse is in Bluetooth mode and needs to pair with a new device, hold the "Pair button" for 3 seconds and wait for the blue light to flash. At this point, Bluetooth has re-entered pairing mode, and you can connect the new device to the mouse. ?

Connection Diagram: Shows the mouse bottom with the Bluetooth switch, connected via a USB-A receiver to a laptop, with a Bluetooth icon indicating connection status. Device status is shown as "Keychron BM22 disconnected" then "connected". Another diagram illustrates holding the Pair button for 3 seconds to re-enter pairing mode.

Status Indicator

Connection Mode	Indicator Status
2.4GHz Mode	The mouse indicator slowly blinks green - Ready to be paired. ? The mouse indicator quickly blinks green - Pairing with the previous device. ?
Bluetooth Mode	The mouse indicator slowly blinks blue - Ready to be paired. ? The mouse indicator quickly blinks blue - Pairing with the previous device. ?
Low power	The mouse indicator will slowly blink red. ?

Indicator Diagram: Shows the mouse bottom with indicator lights.

DPI Indicator

Light Color	DPI Setting
White light ⚪	400 DPI
Green light ?	800 DPI
Blue light ?	1200 DPI
Yellow light ?	1600 DPI (default)
Red light ?	2400 DPI

Report Rate Indicator

Report Rate Indicator	Report Rate / Hz	Available Modes
White ⚪	125	2.4G / BT / Wired
Green ?	500	2.4G / Wired
Blue ?	1000	2.4G / Wired (default)

* There is no report rate indicator on the physical BM22 mouse. If you want to modify the report rate of your BM22 mouse, you can configure it via mouse drive software.

Auto-Sleep Mode

Auto-Sleep mode is not activated in wired mode. In 2.4GHz mode or Bluetooth mode, the mouse will enter Auto-Sleep mode after 10 minutes of inactivity to save battery. Move or click the mouse to wake it up. ⚡

Driver Software

The Keychron BM22 mouse driver can be downloaded from launcher.keychron.com. If the driver software cannot connect to the mouse, please contact Keychron for technical support.

How to Factory Reset

Hold down both the "Pair button" and "DPI button" for 3 seconds. The LED lights on the mouse will blink three times to indicate that the factory reset is successful. ⚙️

Reset Diagram: Shows the mouse bottom with the Pair and DPI buttons being held down simultaneously for 3 seconds.

Charging Indicator Explanation

Status	Indicator Light
Fully Charged	The mouse indicator will stay GREEN. ?
Low Power	The mouse indicator will slowly blink RED. ?
Charging	The mouse indicator will stay RED. ?

* The mouse is compatible with all USB ports. For the best signal and charging speed, connecting to a USB 3.0 port is recommended when charging or in use. ?

* If the mouse is connected by the USB Type-C cable when charging but not paired with any devices:

The mouse indicator will stay RED when charging. ?
The mouse indicator will stay GREEN when fully charged. ?

Note: The product supports up to 5V charging voltage and 300mA charging current. Keychron is not responsible for any problems caused by improper recharging.

Mouse Specification

Device name	Keychron BM22	Battery capacity	300mAh
Size	1116239mm	Usage duration	100 Hours (Bluetooth mode) 70 Hours (1000Hz)
Weight	78 ± 3g	Recharge time	2.5 Hours
Sensor	SOC3212	Charging port	Type-C
Wireless distance	Approx 10m of open space	Resolution	400-2400DPI
Mouse micro switches	Huano Micro Switch (20 million clicks life time)	Report Rate (polling rate)	125Hz(White) - 500Hz(Green) - 1000Hz(Blue)
Connection mode	2.4GHz - Bluetooth - Wired

FCC STATEMENT

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

This device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter.

Radiation Exposure Statement

The device has been evaluated to meet general RF exposure requirement in portable exposure condition without restriction.

Contact Information

Keychron, Inc.

Dover, DE 19901, United States

Find us at:

Website: https://www.keychron.com

Email: support@keychron.com

Social Media:

Facebook: f @keychron
Instagram: @keychron
X (Twitter): X @keychronMK

Made in China

China Distributor: Keying Technology (Shenzhen) Co., Ltd.

Address: Room 201, Building 2, Wenkeng Industrial Zone, Da Fa Road, Bantian Street, Longgang District, Shenzhen

Implementation Standard: GB 4943.1-2022

Customer Service Hotline: 400-0766268

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