1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your Cherry MW 9100 Wireless Rechargeable Mouse. The MW 9100 is a compact, versatile mouse offering dual connectivity options (Bluetooth or 2.4 GHz USB receiver) and a convenient rechargeable battery.
Key features include:
- Compact design with charging functionality.
- Flexible operation: use while charging via USB-C cable.
- Dual connectivity: Bluetooth or 2.4 GHz USB receiver.
- Magnetic storage for the USB receiver, ideal for travel.
- Adjustable DPI settings for varied usage.
2. Package Contents
Verify that all items are present in the package:
- Cherry MW 9100 Wireless Rechargeable Mouse
- USB-C Charging Cable
- 2.4 GHz USB Receiver
- Protective Pouch
- Instruction Manual (this document)
3. Setup
3.1 Charging the Mouse
The Cherry MW 9100 mouse features a built-in rechargeable battery. Before initial use, or when the battery is low, connect the included USB-C cable to the mouse and to a USB power source (e.g., computer USB port, USB wall adapter). The mouse can be used normally while charging.

Image 3.1: Top view of the Cherry MW 9100 mouse, showing the charging indicator light.
3.2 Connecting the Mouse
The MW 9100 offers two connection methods: 2.4 GHz wireless via USB receiver or Bluetooth.
3.2.1 2.4 GHz Wireless Connection
- Locate the USB receiver. It is magnetically stored in a compartment on the underside of the mouse.
- Insert the USB receiver into an available USB port on your computer.
- On the underside of the mouse, slide the switch to the "RF" position.
- The mouse should automatically connect to your computer.

Image 3.2: Underside of the Cherry MW 9100 mouse, highlighting the USB receiver storage and the connection mode switch.
3.2.2 Bluetooth Connection
- On the underside of the mouse, slide the switch to the "BT" (Bluetooth) position.
- Press and hold the small pairing button located near the connection switch on the underside of the mouse until the LED indicator on the mouse starts blinking, indicating pairing mode.
- On your computer or device, open Bluetooth settings and search for new devices.
- Select "Cherry MW 9100" from the list of available devices to complete the pairing process.
4. Operating Instructions
4.1 Basic Functions
The Cherry MW 9100 mouse features standard left and right click buttons, a scroll wheel (which also functions as a middle click button), and two side buttons for navigation (typically forward/back).

Image 4.1: Side view of the Cherry MW 9100 mouse, illustrating the ergonomic design and side buttons.
4.2 DPI Adjustment
The mouse includes a DPI (Dots Per Inch) button, usually located near the scroll wheel, allowing you to adjust the cursor sensitivity. Press this button to cycle through different DPI settings to match your preference or task requirements.

Image 4.2: A hand demonstrating the comfortable grip on the Cherry MW 9100 mouse during use.
5. Maintenance
To ensure optimal performance and longevity of your Cherry MW 9100 mouse:
- Cleaning: Use a soft, dry cloth to clean the mouse surface. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters the device. Avoid harsh chemicals or abrasive materials.
- Storage: When not in use, especially during travel, store the mouse in the provided protective pouch to prevent scratches and damage.
- Battery Care: Avoid fully discharging the battery frequently. Recharge the mouse when the low battery indicator appears.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Mouse not responding | Low battery, incorrect connection mode, USB receiver not connected, Bluetooth not paired. |
|
| Intermittent connection (Bluetooth) | Interference, device driver issues, distance from device. |
|
| Cursor movement is erratic or slow | Dirty optical sensor, low battery, incorrect DPI setting. |
|
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Cherry |
| Model Number | JW-9100US-2 |
| Connectivity Technology | Bluetooth, 2.4 GHz USB Wireless |
| Movement Detection | Optical |
| Special Features | Lightweight, Portable, Rechargeable |
| Product Dimensions | 4 x 3 x 2 inches |
| Item Weight | 6.4 ounces |
| Color | Black |
8. Warranty and Support
For warranty information and technical support, please refer to the official Cherry website or contact Cherry customer service directly. Keep your proof of purchase for warranty claims.
Manufacturer: CHERRY
Website: www.cherry.de





