1. Introduction
Thank you for choosing the Philips 4000 Series Wireless Keyboard. This keyboard is designed for versatility and comfort, offering seamless connectivity across multiple devices using both 2.4GHz wireless and Bluetooth technologies. Its silent, low-profile keys and ergonomic design ensure a productive and comfortable typing experience.
2. Key Features
- Dual Connectivity: Supports 2.4GHz wireless via USB dongle and Bluetooth 3.0/5.0.
- Multi-Device Switching: Connects up to three devices (one 2.4GHz, two Bluetooth) with easy switching.
- Silent & Low-Profile Keys: Provides a quiet and comfortable typing experience.
- Full-Size Layout: Includes a dedicated numeric keypad for efficient data entry.
- Smart Power-Saving: Automatic sleep mode and instant wake-up to extend battery life.
- Universal Compatibility: Works with Windows, macOS, iPadOS, Android, and more.
- Ergonomic Design: Features a non-slip base and optimal tilt angle for natural wrist positioning.
3. Package Contents
- Philips 4000 Series Wireless Keyboard
- USB Receiver (2.4GHz dongle)
- 1 x AAA Battery
- User Manual
4. Setup Instructions
- Insert Battery:
Locate the battery compartment on the underside of the keyboard. Open the cover, remove the protective shrink wrap from the included AAA battery, and insert it according to the polarity markings. Close the cover.
Image: Underside of the keyboard showing the battery compartment and the USB dongle storage. Ensure the battery's shrink wrap is removed before use.
- Locate USB Receiver:
The 2.4GHz USB receiver (dongle) is stored inside the battery compartment for convenience. Carefully remove it. - Power On:
Locate the power switch on the keyboard (usually on the side or back) and slide it to the 'ON' position.
5. Connectivity
The Philips 4000 Series keyboard offers flexible connectivity options.
5.1. 2.4GHz Wireless Connection
- Plug the USB receiver into an available USB port on your computer or device.
- The keyboard will automatically connect to your device. The 2.4G indicator light on the keyboard will illuminate briefly.
5.2. Bluetooth Connection (BT1 / BT2)
You can connect up to two devices via Bluetooth.
- Ensure the keyboard is powered on.
- Press and hold either the BT1 or BT2 key for 3-5 seconds until its indicator light starts flashing rapidly. This indicates the keyboard is in pairing mode.

Image: Dedicated keys for 2.4G wireless and Bluetooth connections (BT1, BT2).
- On your device (e.g., laptop, tablet, smartphone), go to the Bluetooth settings.
- Search for available devices and select "Philips Keyboard" (or a similar name) from the list.
- Follow any on-screen prompts to complete the pairing process. The indicator light for the selected Bluetooth channel will stop flashing and remain solid when successfully paired.
- Repeat steps 2-5 to pair a second Bluetooth device using the other Bluetooth channel key (BT2).
5.3. Switching Between Connected Devices
To switch between your connected devices, simply press the corresponding connectivity key:
- Press the 2.4G key to switch to the device connected via the USB dongle.
- Press the BT1 key to switch to the first Bluetooth-connected device.
- Press the BT2 key to switch to the second Bluetooth-connected device.
The keyboard will seamlessly transition control to the selected device.
Video: A user demonstrates the multi-device switching feature of the Philips wireless keyboard, showing how to easily switch between a laptop and a tablet.
6. Operating Instructions
6.1. Typing and Key Functions
The keyboard features a standard QWERTY layout with silent, low-profile keys for comfortable and quiet typing. It includes a full numeric keypad for efficient data entry.
6.2. Multimedia and Function Keys
The top row of keys (F1-F12) provides quick access to multimedia controls and system functions. These keys may require pressing the Fn key simultaneously, depending on your operating system and settings.
- F1-F12: Various functions such as media playback, volume control, screen brightness, and more.
- OS Specific Keys: The keyboard includes keys like Alt/Cmd and Win/Option to ensure full compatibility and functionality across different operating systems like Windows and macOS.

Image: A user typing on the keyboard, demonstrating the quiet and comfortable typing experience.
7. Power Management
7.1. Smart Sleep Mode
To conserve battery life, the keyboard automatically enters a smart sleep mode after 30 minutes of inactivity. To wake the keyboard, simply double-click any key.
7.2. Low Power Alert
The keyboard features a battery level indicator light (usually near the connectivity keys) that will alert you when the battery is low and needs replacement.
7.3. Battery Life
With typical usage, the included AAA battery can last up to 12 months, reducing the frequency of replacements.
8. Compatibility
The Philips 4000 Series Wireless Keyboard is designed for broad compatibility:
- Operating Systems: Windows, macOS, iPadOS, Android, iOS.
- Devices: Laptops, desktop PCs, tablets, smartphones.

Image: The keyboard is compatible with a wide range of operating systems and devices.
9. Maintenance
- Cleaning: Use a soft, dry, lint-free cloth to clean the keyboard. Avoid harsh chemicals or abrasive materials.
- Storage: When not in use, especially during travel, store the USB receiver in its dedicated slot within the battery compartment to prevent loss.
- Environment: Avoid exposing the keyboard to extreme temperatures, direct sunlight, or excessive moisture.
10. Troubleshooting
- Keyboard not responding:
- Ensure the keyboard is powered on.
- Check the battery level and replace if necessary.
- For 2.4GHz connection, ensure the USB receiver is securely plugged into your device.
- For Bluetooth connection, ensure the keyboard is paired correctly and the correct BT channel is selected. Try re-pairing if issues persist.
- Lag or Disconnection:
- Ensure the keyboard is within the effective operating range (up to 66 ft for 2.4GHz, 33 ft for Bluetooth).
- Minimize interference from other wireless devices or large metal objects.
- Try connecting to a different USB port or re-pairing the Bluetooth connection.
- Specific keys not working:
- Gently clean around the affected keys to remove any debris.
- Ensure the keyboard is set to the correct operating system mode if your device requires specific key mappings.
11. Specifications
| Feature | Detail |
|---|---|
| Connectivity Technology | Bluetooth 3.0/5.0, 2.4GHz USB |
| Compatible Devices | Windows, macOS, iPadOS, Android, iOS, Laptops, Tablets |
| Keyboard Description | Membrane, Low-Profile Key, Silent |
| Battery Type | 1 x AAA (included) |
| Estimated Battery Life | Up to 12 months |
| Wireless Working Range | Up to 66 ft (2.4GHz USB), 33 ft (Bluetooth) |
| Dimensions (L x W x H) | 17.76 x 5.75 x 1.54 inches |
| Item Weight | 1.57 pounds |
| Material | Eco-friendly Plastic |
12. Warranty and Support
Philips is committed to providing quality products and support. For any inquiries or assistance, please refer to the following:
- Product Support: For assistance, please visit your Amazon account, navigate to 'Your Orders', select the Philips Wireless Keyboard, and click 'Get product support'.
- Warranty: Philips offers a 365-day replacement policy for eligible issues.
- Customer Service: Expect a 24-hour reply for support inquiries.

Image: Philips customer support details, including response time and replacement policy.





