1. Product Overview
The heetipuk C10 Retro Mini Bluetooth Speaker is a compact and lightweight portable audio device designed for wireless music playback and hands-free calling. It features Bluetooth 5.1 connectivity, TF card support, and a rechargeable battery for extended use.

Image 1.1: The heetipuk C10 Portable Speaker, highlighting its compact size (4.2 x 2.1 x 3.3 inches, 0.5 lbs).
Package Contents
- 1 x heetipuk C10 Retro Mini Bluetooth Speaker
- 1 x USB-C Charging Cable
- 1 x Owner's Manual

Image 1.2: Contents included in the heetipuk C10 package.
2. Setup
Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB-C charging cable to the speaker's charging port and the other end to a compatible USB power source (e.g., computer, wall adapter). The charging indicator light will show the charging status.
Video 2.1: Demonstrates connecting the USB-C cable for charging the heetipuk C10 speaker.
Powering On/Off
To power on the speaker, press and hold the power button located on the top panel until you hear an audible prompt or see the indicator light illuminate. To power off, press and hold the power button again.

Image 2.2: Top panel controls of the heetipuk C10 speaker, including the power button.
3. Operating Instructions
Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing LED).
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "C10" or a similar name from the list of devices.
- Once paired, the speaker will provide an audible confirmation, and the LED indicator will become solid.
The speaker utilizes Bluetooth 5.1 for quick and stable connections up to 10 meters.

Image 3.1: Bluetooth 5.1 connectivity with multiple devices.
TF Card Playback
Insert a TF (Micro SD) card loaded with audio files into the designated slot on the speaker. The speaker will automatically switch to TF card mode and begin playing music. Use the playback control buttons to navigate tracks.

Image 3.2: TF Card slot and Type-C port on the heetipuk C10 speaker.
Hands-Free Calling
When connected via Bluetooth to a smartphone, the speaker supports hands-free calling. Press the designated button (often the play/pause button) to answer or end an incoming call. The built-in microphone allows for clear conversations.

Image 3.3: Hands-Free Call functionality with the heetipuk C10 speaker.
Volume Control and Playback
Adjust the volume using the threaded volume knob on the top of the speaker. Use the dedicated buttons for play/pause, next track, and previous track.
Video 3.4: Demonstrates adjusting the volume knob and using playback controls on the heetipuk C10 speaker.
4. Maintenance
To ensure the longevity and optimal performance of your heetipuk C10 speaker, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the exterior of the speaker. Avoid using harsh chemicals or abrasive cleaners.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: For best battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use for extended periods.
5. Troubleshooting
If you encounter issues with your heetipuk C10 speaker, refer to the following common solutions:
- Speaker does not power on: Ensure the battery is charged. Connect the speaker to a power source using the USB-C cable.
- Cannot pair via Bluetooth: Make sure the speaker is in pairing mode and within range of your device (up to 10 meters). Turn off and on Bluetooth on your device, then try pairing again. Ensure no other devices are currently connected to the speaker.
- No sound: Check the volume level on both the speaker and your connected device. Ensure the speaker is properly paired or the TF card is correctly inserted.
- Poor sound quality: Move the speaker closer to your Bluetooth device to reduce interference. Ensure the speaker is placed on a stable, flat surface for optimal sound projection.
If problems persist, please contact customer support for further assistance.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | C10 |
| Product Dimensions | 10.5 x 5 x 8 cm (4.1 x 2.0 x 3.1 inches) |
| Weight | 360 g (0.79 lbs) |
| Connectivity Technology | Bluetooth 5.1 |
| Power Source | Rechargeable Battery (1 Lithium Ion battery included) |
| Playtime | Up to 8 hours (maximum playing time) |
| Special Features | TF Card Support, Hands-Free Calls, Lightweight, Portable Handle |
| Manufacturer | heetipuk |
| Country of Origin | China |
7. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official heetipuk website. If you encounter any issues, feel free to contact us for a reasonable solution.