COLSUR S28
User Manual: COLSUR 3-in-1 Wireless Charging Station
Model: S28
Introduction
Thank you for purchasing the COLSUR 3-in-1 Wireless Charging Station. This versatile device combines a fast wireless charger for your smartphone, an alarm clock, and a night light, along with dedicated charging areas for your smartwatch and earphones. Designed for convenience and efficiency, it helps keep your devices charged and your space tidy. Please read this manual carefully before use to ensure optimal performance and safety.
Package Contents
Before you begin, please verify that all items are present in the package:
- Wireless Charging Station Unit
- QC3.0 Adapter
- Type-C Cable
- USB-A to USB-C Adapter
- Mobile Charging Case Cover (for different phone types)
- User Manual (this document)

Image: The COLSUR 3-in-1 Wireless Charging Station, showing the main unit, power adapter, and charging cable.
Setup Guide
- Connect Power: Insert the Type-C cable into the charging station's input port and connect the other end to the provided QC3.0 adapter. Plug the adapter into a wall outlet. The clock display will illuminate, indicating power is connected.
- Identify Charging Areas: Familiarize yourself with the different charging zones on the device.

Image: A detailed diagram highlighting the various functional areas of the charging station, including the LED light, alarm clock, and charging zones for phone, watch, and earphones.
- Prepare Watch and Earphone Charging (Cables Not Included): For charging your smartwatch and earphones, you will need to use your original charging cables. The station includes a portable cable storage box designed to neatly house these cables.

Image: An illustration demonstrating the cable management system for watch and earphone chargers, emphasizing that user-provided cables are required.
Insert your watch and earphone charging cables into the designated slots within the storage box. Route the cables as shown in the diagram to ensure a tidy setup. The box supports both USB-A and USB-C plugs for your convenience.
Operating Instructions
Wireless Phone Charging
Place your Qi-compatible smartphone on the designated wireless charging pad. The device supports various charging modes:
- 15W Charging Mode: For iPhone 12/13/14/15/16 Pro/Pro Max.
- 10W Charging Mode: Compatible with Samsung Galaxy S21/S20/Note 10/10 Plus/S10/S10 Plus/S10E and similar devices.
- 5W Charging Mode: Works with any Qi-enabled device.
Ensure your phone is centered on the charging pad for optimal charging efficiency. The device is case-friendly, supporting phone cases up to 5mm thickness. Remove any metal cases, magnets, or credit cards from your phone before charging.

Image: The wireless charging pad demonstrating its compatibility with phone cases up to 5mm thick, and advising against metallic objects or cards.
Alarm Clock Function
The charging station features an upgraded dual alarm clock setting with a simplified setup process.
- Setting Time/Alarm: Use the buttons located near the base of the alarm clock area to set the time and configure your desired alarm times. Refer to the specific button labels for "Set," "Up," and "Down" functions.
- Adjusting Brightness: The alarm clock display has 3 adjustable brightness levels. You can also turn off the display completely to avoid disturbing your sleep.
Night Light Function
The integrated night light offers customizable illumination.
- Color Modes: The night light provides three color modes: white, warm white, and warm.
- Brightness Adjustment: Brightness can be adjusted from 10% to 100%. Long press the touch control area on the light to cycle through brightness levels. Short press to change color modes.

Image: Visual representation of the night light's adjustable brightness and three distinct color temperature settings.
Watch and Earphone Charging
After installing your original watch and earphone charging cables into the portable cable storage box, simply place your smartwatch and earphone case onto their respective charging areas. Ensure they are properly aligned for charging to begin.
The portable cable storage box can also be detached and charged via its Type-C interface on the back, making it convenient for travel.
Additional USB Charging
An additional USB port is located on the side of the charging station, allowing you to charge a fourth device simultaneously using its own USB cable.
Maintenance
- Cleaning: Disconnect the power before cleaning. Use a soft, dry cloth to wipe the surface of the charging station. Do not use abrasive cleaners or solvents.
- Storage: When not in use for extended periods, store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Management: Regularly check cables for any signs of wear or damage. Ensure cables are neatly organized within the storage box to prevent tangles and damage.
Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Wireless charging is slow or not working. |
|
| Alarm clock display is frozen or night light is not on. |
|
| Watch or earphone not charging. |
|
If you encounter issues not listed here, please refer to the warranty and support section for assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | COLSUR |
| Model Number | S28 |
| Product Dimensions | 7.09 x 8.27 x 7.09 inches |
| Item Weight | 1.41 pounds |
| Connectivity Technology | Wireless |
| Connector Type | USB Type C |
| Input Voltage | 220 Volts (AC) |
| Compatible Devices | Smartphones, Headphones, Smartwatches |
| Wireless Charging Output | 15W (Max) |
| Night Light Features | 3 Color Modes (White, Warm White, Warm), 10%-100% Brightness Adjustment |
| Alarm Clock Features | Dual Alarm Setting, 3 Brightness Levels, Memory Function |
| Special Features | Wireless Charge, Alarm Clock, Night Light, Portable Cable Storage Box, Additional USB Port |
Warranty and Support
The COLSUR 3-in-1 Wireless Charging Station comes with a one-year warranty from the date of purchase. We also provide permanent after-service support for our products.
For technical support, warranty claims, or any inquiries, please contact our customer service team through the retailer where you purchased the product or visit the official COLSUR website for contact information.
You can also refer to the official User Manual PDF for additional details: Download User Manual PDF
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