1. Product Overview
The COLSUR Bluetooth Speaker is a versatile 6-in-1 device designed to enhance your home or office environment. It integrates a Bluetooth speaker, FM radio, digital alarm clock, 15W wireless charger, 4-level adjustable LED night light, and a phone holder into a single, sleek unit. This manual provides detailed instructions for setup, operation, and maintenance.
Image: The COLSUR Bluetooth Speaker, showcasing its integrated wireless charging pad with a smartphone, LED night light, and digital clock display. A power adapter is visible in the foreground.
2. Package Contents
Please check the package for the following items:
- COLSUR Bluetooth Speaker with Wireless Charger
- Power Adapter
- Type-C Data Cable
- User Manual (this document)
Image: A detailed diagram labeling the components of the COLSUR Bluetooth Speaker, including the LED Light Bar, Mobile Phone Wireless Charging Area, Phone Stand, Bluetooth Speaker, FM Radio, Alarm Clock, Adaptor, and Type C Data Cable.
3. Product Components and Controls
Familiarize yourself with the various parts and controls of your COLSUR Bluetooth Speaker:
| Component | Description |
|---|---|
| LED Light Bar | Adjustable night light with 4 brightness levels. |
| Wireless Charging Area | 15W Qi-compatible charging pad for smartphones and other devices. |
| Phone Stand | Integrated groove to hold your smartphone upright. |
| Digital Display | Shows time, alarm status, and FM frequency. Adjustable brightness. |
| Control Buttons | Located on the top panel for mode selection, volume, alarm settings, and light control. |
| Bluetooth Speaker | Dual speakers for immersive sound. |
| FM Radio Antenna | Integrated antenna for FM radio reception (located on the bottom). |
| USB-C Port | Power input for the device. |
Image: The underside of the COLSUR Bluetooth Speaker, highlighting the silicone pads for stability, diffusion holes for sound, and the integrated radio antenna.
4. Setup
- Initial Charging: Before first use, please charge the product for at least 5 minutes by connecting it to a power source. The device has a 2500mAh rechargeable battery for portability, but the wireless charging function requires the device to be plugged in.
- Power Connection: Connect the provided Type-C data cable to the USB-C port on the back of the speaker and plug the power adapter into a standard wall outlet.
- Placement: Place the speaker on a stable, flat surface. Ensure there is adequate ventilation around the device.
5. Operating Instructions
5.1 General Controls
The control buttons are located on the top panel of the device. Refer to the product diagram for exact locations.
- Power Button: Press and hold to turn on/off. Short press to switch modes.
- Volume Buttons (+/-): Adjust audio volume.
- Light Button: Short press to cycle through light brightness levels (Off, Dim, Low, Medium, High).
- Alarm Button: Used for setting and activating alarms.
- Snooze/Play/Pause Button: Short press to snooze alarm, play/pause audio.
5.2 Setting Time and Alarm
Detailed instructions for setting the time and alarm will be provided in the full manual. Generally, use the Alarm button to enter alarm setting mode and the Volume buttons to adjust values.
Image: The COLSUR Bluetooth Speaker displaying the time 20:52, with a person sleeping in the background, illustrating its alarm clock functionality and 16 precision volume levels.
5.3 Bluetooth Pairing
- Turn on the COLSUR speaker. It will automatically enter Bluetooth pairing mode (indicated by a flashing "BT" on the display).
- On your smartphone or other Bluetooth device, enable Bluetooth and search for "COLSUR Speaker" (or similar name).
- Select the speaker from the list to pair. Once connected, the "BT" indicator will stop flashing.
- You can now play audio through the speaker. The Bluetooth 5.0 connection provides a wireless range of up to 33 feet.
Image: The COLSUR Bluetooth Speaker on a nightstand, emphasizing its high-fidelity sound and 33ft wireless range, with a 2500mAh battery capacity icon.
5.4 FM Radio Operation
- Short press the Mode button (or similar, refer to specific button labels on your device) to switch to FM Radio mode. The display will show "FM" characters.
- Long press the Play/Pause button (or a dedicated search button) to automatically search for and save available radio stations.
- Use the Volume +/- buttons to navigate between saved stations or fine-tune the frequency.
Image: A person relaxing while listening to the COLSUR Bluetooth Speaker in FM Radio mode, with a note explaining how to search for stations.
5.5 Wireless Charging Usage
The speaker features a 15W intelligent QI charging protocol for fast and safe wireless charging.
- Ensure the COLSUR speaker is plugged into a power supply for the wireless charging function to operate.
- Place your Qi-compatible smartphone or device on the wireless charging area located on top of the speaker.
- Ensure the device is centered on the charging pad for optimal charging. Charging will begin automatically.
- Note: For best performance, phone cases should be less than 5mm thick. Magnetic cases, phone holders, metal cases, and credit cards should be removed from the phone before charging.
Image: The COLSUR Bluetooth Speaker with a smartphone wirelessly charging, illustrating universal compatibility with various iPhone and Samsung models, and AirPods. A note advises on phone case thickness and items to remove before charging.
5.6 Dimmable LED Night Light
The integrated LED night light offers 4 levels of adjustable brightness.
- Short press the Light button to cycle through the brightness settings: Off, Dim, Low, Medium, and High.
- Choose the desired brightness level for your environment, from a dim light ideal for sleep to a brighter light for reading or ambient illumination.
Image: The COLSUR Bluetooth Speaker demonstrating its 4-level adjustable LED display and lamp brightness, showing settings from OFF to HIGH, and its use as a dim night light in a bedroom and a functional light in an office setting.
5.7 Phone Holder Function
The speaker features a built-in phone stand for convenient viewing.
- Simply place your smartphone into the groove on top of the speaker.
- The phone stand is designed to hold your device securely while charging or watching content.
Image: The COLSUR Bluetooth Speaker with a smartphone in its integrated phone holder, demonstrating the 180-degree adjustable viewing angle, with a person exercising in the background.
6. Maintenance and Care
- Cleaning: Use a soft, dry cloth to clean the surface of the speaker. 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.
- Water Exposure: This device is not waterproof. Avoid exposure to water or excessive moisture.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Low battery or not connected to power. | Connect the power adapter and charge for at least 5 minutes before attempting to turn on. |
| Wireless charging not working. | Device not plugged in; phone not centered; thick phone case; foreign objects. | Ensure the speaker is plugged in. Reposition the phone. Remove thick cases, metal objects, or credit cards. |
| Bluetooth connection unstable or not pairing. | Device too far from speaker; interference; speaker not in pairing mode. | Move device closer to speaker. Restart both devices. Ensure speaker is in Bluetooth pairing mode. |
| FM radio reception is poor. | Weak signal; interference. | Adjust the position of the speaker. Try rescanning for stations. |
| Alarm is not sounding. | Alarm not set or volume too low. | Verify alarm settings and ensure alarm volume is set to an audible level. |
8. Specifications
- Brand: COLSUR
- Model: S29-Back-IM-DE
- Color: Black
- Display Type: Digital LED
- Product Dimensions: 4.5"W x 3.4"H
- Power Source: Corded Electric, Battery Powered
- Battery: 2500mAh rechargeable (1 12V battery required, included)
- Wireless Charging Output: 15W (Qi-compatible)
- Bluetooth Version: 5.0
- Bluetooth Range: Up to 33 feet (10 meters)
- Night Light: 4-level adjustable LED
- Material: Acrylonitrile Butadiene Styrene (ABS)
- Item Weight: 1.12 pounds (508 Grams)
- Indoor/Outdoor Usage: Indoor
- Manufacturer: COLSUR
- Date First Available: October 12, 2023
- Country of Origin: China
9. Safety Information
- Do not disassemble, repair, or modify the device.
- Keep away from water, fire, and high temperatures.
- Do not expose to direct sunlight for prolonged periods.
- Use only the provided power adapter and cable.
- Keep out of reach of children and pets.
- Avoid dropping or subjecting the device to strong impacts.



