Introduction
This manual provides detailed instructions for the Rapoo E9100M Multimode Wireless Keyboard. Designed for versatility and portability, this ultra-slim keyboard features a durable aluminum base and offers seamless connectivity across multiple devices using 2.4 GHz wireless, Bluetooth 3.0, and Bluetooth 4.0 (Smart) technologies. Its energy-saving features ensure a battery life of up to 12 months, minimizing the need for frequent battery replacement.

Image: Rapoo E9100M Multimode Wireless Keyboard, showcasing its full QWERTY US layout and slim profile.
Package Contents
- Rapoo E9100M Multimode Wireless Keyboard
- USB Receiver
- Quick Start Guide
Product Features
- Multimode Wireless Connectivity: Connect via Bluetooth 3.0, 4.0, and 2.4 GHz.
- Operating Range: Up to 10 meters with 360-degree coverage.
- Multi-Device Connection: Connect to multiple devices simultaneously.
- Ultra-Slim Design: Compact 4.9 mm profile.
- Multimedia Hotkeys: Fn shortcuts for quick access to media functions.

Image: Detailed view of the keyboard's key mechanism, highlighting its slim design and key structure.
Setup
1. Battery Installation
The keyboard requires 2 Lithium-ion batteries. Open the battery compartment on the underside of the keyboard and insert the batteries, ensuring correct polarity.
2. Connecting via 2.4 GHz Wireless
- Locate the USB receiver, usually stored in the battery compartment or a dedicated slot on the keyboard.
- Plug the USB receiver into an available USB port on your computer.
- Turn on the keyboard using the power switch. The keyboard should automatically connect to the receiver.
- The 2.4G indicator light (often labeled '1' or '2' on the keyboard) will illuminate briefly to confirm connection.
3. Connecting via Bluetooth
The E9100M supports Bluetooth 3.0 and 4.0 (Smart) for connecting to multiple devices.
- Turn on the keyboard.
- Press and hold the Fn key and one of the Bluetooth keys (e.g., F1, F2, or F3, indicated by Bluetooth icons) for 3-5 seconds until the corresponding indicator light starts blinking rapidly. This indicates the keyboard is in pairing mode.
- On your device (computer, tablet, smartphone), go to Bluetooth settings and search for new devices.
- Select "Rapoo E9100M" from the list of available devices.
- Follow any on-screen prompts to complete the pairing process. The indicator light will stop blinking and remain solid for a few seconds once connected.
- Repeat for additional Bluetooth devices, assigning each to a different Bluetooth channel (e.g., F1 for device 1, F2 for device 2).
Operating Instructions
Switching Between Connected Devices
To switch between connected devices (2.4 GHz, Bluetooth 1, Bluetooth 2, etc.), simply press the corresponding Fn key in combination with the designated F-key (e.g., Fn + F1 for Bluetooth 1, Fn + F2 for Bluetooth 2, or a dedicated 2.4G key).
Multimedia Hotkeys (Fn Functions)
The keyboard features multimedia hotkeys accessible by pressing the Fn key in combination with the F-keys (F1-F12). Refer to the key legends for specific functions such as volume control, media playback, and more.
Power Saving Mode
The keyboard automatically enters power-saving mode after a period of inactivity. Press any key to wake it up.
Maintenance
Cleaning
To clean the keyboard, use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution. Avoid excessive moisture. Do not use abrasive cleaners or solvents.
Battery Care
If the keyboard will not be used for an extended period, it is recommended to remove the batteries to prevent leakage.
Troubleshooting
Keyboard Not Responding
- Ensure the keyboard is turned on.
- Check battery levels and replace if necessary.
- For 2.4 GHz connection, ensure the USB receiver is securely plugged in and try a different USB port.
- For Bluetooth connection, ensure Bluetooth is enabled on your device and the keyboard is paired correctly. Try re-pairing the keyboard.
- Move the keyboard closer to the receiver/device to rule out range issues.
Lag or Disconnections
- Ensure there are no strong electromagnetic interferences nearby (e.g., Wi-Fi routers, other wireless devices).
- Try switching to a different wireless channel if available (for Bluetooth, try re-pairing).
Specifications
| Feature | Detail |
|---|---|
| Brand | Rapoo |
| Model Number | RP E9100M UI-B |
| Connectivity Technology | Bluetooth 3.0, Bluetooth 4.0 (Smart), 2.4 GHz Wireless |
| Operating System Compatibility | Windows 10, Windows 7, Windows 8, Windows Vista, Windows XP |
| Compatible Devices | Laptop, PC, Tablet, Smartphone |
| Keyboard Description | QWERTY |
| Number of Keys | 104 |
| Color | Black |
| Special Feature | Multimedia Hotkeys, Ultra-slim Design |
| Power Source | 2 x Lithium-ion Batteries (required) |
| Dimensions (L x W x H) | Approximately 10L x 10W x 10H millimeters (Note: Dimensions provided in source may be generic) |
Warranty and Support
For warranty information and technical support, please refer to the warranty card included with your product or visit the official Rapoo website. Keep your proof of purchase for warranty claims.
Official Rapoo Website: www.rapoo.com





