COE303 Pro Wireless Keyboard and Mouse Combo with RGB Backlit
Details
The COE303 Pro keyboard and mouse combo brings together vibrant RGB backlighting, multi‑device flexibility, and a sleek transparent design for a modern, productive workspace.
- Knob‑Controlled RGB Backlight – adjust brightness and switch between Static, Breathing, and Wave modes via the built‑in rotary knob. Type comfortably in any lighting while elevating your desk aesthetic.
- 3‑Device Multi‑Connection – 2.4G USB + dual Bluetooth 5.0 connect up to 3 devices simultaneously. Switch between laptop, tablet, and phone with one click – no re‑pairing needed.
- Built‑in Battery Display – real‑time LED power indicator shows remaining battery level, preventing unexpected shutdowns during work.
- Compact Full‑Size with Transparent Round Keycaps – full layout with numeric keypad and hotkeys, plus semi‑matte dual‑tone round keycaps for smooth, responsive typing. Frosted transparent design adds a modern, stylish look.
- Ergonomic Silent Mouse with Adjustable DPI – 3 DPI levels (800/1200/1600) for precise tracking. Silent clicks keep your workspace quiet. Transparent lower shell with RGB halo ring.
- Long Battery Life – keyboard 5000mAh, mouse 400mAh, both offering 150+ days standby. Rechargeable via USB‑C – no disposable batteries needed.
- Wide Compatibility – works with Windows, macOS, iPadOS, and Android. Plug‑and‑play, no drivers required.
Perfect for home office, creative workspaces, or anyone who values both style and productivity.
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Seenda COE303 Pro Wireless Keyboard and Mouse Combo
Add more flexibility and color to your everyday workspace with the Seenda COE303 Pro Wireless Keyboard and Mouse Combo.
Designed for users who work across multiple devices, this coordinated set combines flexible wireless connectivity, colorful keyboard backlighting, a full-size layout, and adjustable mouse control.
Whether you are working from home, studying, or managing more than one computer, the COE303 Pro helps keep your setup organized and your daily workflow moving.
Why Choose Seenda COE303 Pro
The COE303 Pro is designed for modern workspaces where one computer is often not enough. Multi-device connectivity allows you to use one keyboard and mouse set across compatible work and personal devices.
The full-size keyboard provides the familiar keys you need for everyday typing, spreadsheets, navigation, and data entry, while colorful backlighting makes the keys easier to see in lower-light environments.
The matching wireless mouse offers adjustable sensitivity, allowing you to choose more controlled cursor movement or faster navigation depending on your screen and task.
With built-in rechargeable batteries and compatibility with both Windows and macOS, the COE303 Pro is a practical choice for home offices, shared workspaces, and multi-computer desks.
Overview 
One Combo for Multiple Devices
Connect the COE303 Pro through 2.4 GHz wireless or Bluetooth and use one coordinated keyboard and mouse set across multiple compatible devices.
It is ideal for users who regularly move between a work computer, personal computer, or other connected devices and want to reduce the number of peripherals on their desk.
Colorful Backlighting for Everyday Work
The keyboard features adjustable colorful backlighting that improves key visibility in darker environments while adding a brighter and more distinctive look to your workspace.
The lighting can be adjusted to suit different working conditions, whether you are working during the day, studying in the evening, or creating a more personalized desktop setup.
Full-Size Layout for Daily Productivity
The full-size keyboard includes function keys, navigation controls, arrow keys, and a numeric keypad, making it suitable for email, spreadsheets, browsing, data entry, and other everyday office tasks.
A dedicated control area and easy-to-reach keys help keep commonly used functions within reach throughout the day.
Adjustable Mouse Control
The wireless mouse provides multiple sensitivity levels for different working preferences and screen sizes.
Choose a lower sensitivity level when you need more controlled cursor movement, or switch to a higher level for quicker navigation across larger displays.
Rechargeable Convenience
Both the keyboard and mouse feature built-in rechargeable batteries, reducing the need to purchase and replace disposable batteries during everyday use.
The rechargeable design makes the COE303 Pro a convenient option for home offices, business workspaces, study areas, and shared desks.
Compatible with Windows and Mac
The COE303 Pro is designed to work with both Windows and macOS computers, giving users greater flexibility across different devices and working environments.
Some shortcut keys and functions may vary depending on the connected device, operating system, and software.
Notes
- The keyboard and mouse support 2.4 GHz wireless and Bluetooth connection modes.
- Bluetooth connection requires a Bluetooth-enabled device.
- Some shortcut functions may vary between Windows and macOS.
- Wireless performance may vary depending on the connected device and surrounding environment.
- Using brighter backlight settings may increase battery consumption.
Made for Modern Workspaces
Seenda COE303 Pro combines multi-device connectivity, a colorful full-size keyboard, adjustable mouse control, and rechargeable convenience in one coordinated wireless set.
It is a practical choice for anyone looking to simplify a multi-computer desk while adding more comfort, flexibility, and personality to everyday work.
| Feature | Specification |
|---|---|
| Connection | 2.4GHz USB + Dual Bluetooth 5.0 (3 devices) |
| Keyboard Layout | Compact full‑size QWERTY with numeric keypad and hotkeys |
| Keycaps | Transparent round keycaps, semi‑matte dual‑tone finish |
| Keyboard Backlight | RGB, knob‑controlled (Static, Breathing, Wave modes) |
| Keyboard Battery | 5000mAh rechargeable, ≥150 days standby |
| Mouse Battery | 400mAh rechargeable, ≥150 days standby |
| Mouse DPI | 800 / 1200 (default) / 1600 (adjustable) |
| Mouse Click | Silent, ergonomic shape |
| Mouse Design | Transparent lower shell with RGB halo ring |
| Power Display | Built‑in LED battery indicator on keyboard |
| Wireless Range | Up to 8 meters (26 feet) |
| Compatibility | Windows, macOS, iPadOS, Android |
| Keyboard Dimensions | 390 × 94.9 × 11.73 mm |
| Mouse Dimensions | 120 × 65 × 39 mm |
| Weight | 0.6 kg (keyboard + mouse) |
| Material | Plastic, frosted transparent finish |
| Color | Black |