Introduction
Thank you for choosing the Dosmix HM11 Retro Bluetooth Speaker. This compact and stylish speaker combines vintage aesthetics with modern audio technology, offering a portable and enjoyable listening experience. This manual provides essential information for setting up, operating, and maintaining your speaker.
What's in the Box
- 1 x Dosmix HM11 Retro Speaker
- 1 x Micro USB Charging Cable
- 1 x Aux Line
- 1 x User Manual
Product Overview
The Dosmix HM11 speaker features a retro design with intuitive controls and multiple connectivity options. Its compact size makes it ideal for various settings.

Figure 1: Front view of the Dosmix HM11 Retro Bluetooth Speaker.

Figure 2: Dimensions of the Dosmix HM11 speaker, showing its compact size of 2"D x 4.3"W x 2.8"H.
Controls and Ports
- Volume Knob: Rotate to adjust audio volume.
- Play/Pause Button: Press to play or pause audio.
- Previous/Next Track Buttons: Press to skip tracks.
- DC 5V Port: For charging the speaker using the Micro USB cable.
- TF Card Slot: Insert a TF card for direct music playback.
- USB Port: Connect a USB drive for direct music playback.
- AUX Port: Connect external devices via the auxiliary cable.
- MIC: Built-in microphone for hands-free calling.

Figure 3: Rear view of the speaker, highlighting the DC 5V charging port, TF card slot, USB port, AUX input, and microphone.
Setup
Charging the Speaker
- Connect the Micro USB charging cable to the DC 5V port on the back of the speaker.
- Connect the other end of the USB cable to a compatible USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate. Charging typically takes 2-3 hours.
- Once fully charged, the indicator light may change or turn off.
A full charge provides approximately 6 hours of playtime, depending on volume levels.
Bluetooth Pairing
- Ensure the speaker is charged. Press and hold the power button (usually the middle button) to turn on the speaker. A voice prompt will indicate "Bluetooth mode".
- The speaker will automatically enter pairing mode, indicated by a blinking blue light.
- On your smartphone, tablet, or other Bluetooth-enabled device, go to the Bluetooth settings.
- Search for available devices and select "HM11" from the list.
- Once connected, a voice prompt will confirm successful pairing.
The speaker will automatically reconnect to the last paired device when powered on, if it's within range.
Video 1: Demonstrates the Bluetooth pairing process for the Dosmix HM11 speaker.
Operating Instructions
Power On/Off
- To Power On: Press and hold the middle button (play/pause icon) until you hear a voice prompt.
- To Power Off: Press and hold the middle button again until you hear a power-off voice prompt.
Music Playback
- Play/Pause: Press the middle button once to play or pause music.
- Next Track: Press the right button (forward arrow icon) to skip to the next song.
- Previous Track: Press the left button (backward arrow icon) to go to the previous song.
- Volume Control: Rotate the large knob on the front of the speaker clockwise to increase volume and counter-clockwise to decrease volume.
Video 2: Shows how to adjust volume and skip tracks using the speaker's controls.
Hands-Free Calling
When connected via Bluetooth, the built-in microphone allows for hands-free calls.
- Answer Call: Press the middle button once to answer an incoming call.
- End Call: Press the middle button once during a call to end it.
- Reject Call: Press and hold the middle button to reject an incoming call.
Other Playback Modes (USB/TF Card/AUX)
The speaker supports music playback from USB drives, TF cards, and auxiliary input.
- USB/TF Card: Insert a USB drive into the USB port or a TF card into the TF slot. The speaker will automatically switch to the corresponding mode and begin playing music.
- AUX Mode: Connect an external audio device (e.g., smartphone, MP3 player) to the AUX port using the provided 3.5mm audio cable. The speaker will automatically switch to AUX mode.
Video 3: Illustrates the various input options including USB, TF card, and AUX.
Maintenance
- Keep the speaker away from water, moisture, and extreme temperatures.
- Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Avoid dropping or subjecting the speaker to strong impacts.
- When not in use for extended periods, store the speaker in a cool, dry place and charge it periodically to maintain battery health.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Speaker does not turn on. | Ensure the battery is charged. Connect to a power source using the Micro USB cable. |
| Cannot pair via Bluetooth. |
|
| No sound or low volume. |
|
| Sound distortion. | Lower the volume on both the speaker and your connected device. Ensure the audio source quality is good. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | HM11 |
| Brand | Dosmix |
| Product Dimensions | 2"D x 4.3"W x 2.8"H |
| Item Weight | 6.9 Ounces |
| Material | Plastic |
| Connectivity Technology | Bluetooth, Auxiliary, USB, TF Card |
| Wireless Communication Technology | Bluetooth 5.0 |
| Bluetooth Range | Up to 32.8 Feet (10 meters) |
| Power Source | Battery Powered (1 Lithium Polymer battery included) |
| Battery Capacity | 400mAh |
| Charging Time | 2-3 Hours |
| Playtime | Up to 6 hours (varies by volume) |
| Speaker Maximum Output Power | 5 Watts |
| Speaker Size | 40mm (2 Inches) |
| Special Features | Built-in Microphone, Retro Design, Portable Handle |
Warranty and Support
The Dosmix HM11 Retro Bluetooth Speaker comes with a 1-year warranty from the date of purchase.
For any product inquiries, technical support, or warranty claims, please contact Dosmix customer service through the retailer where you purchased the product or visit the official Dosmix website for contact information.




