1. Introduction
Thank you for purchasing the BQCC M11 Car MP3 Player. This device is designed to provide a versatile and enjoyable audio experience in your vehicle, featuring FM radio, USB/TF card playback, AUX input, Bluetooth 5.0 connectivity, hands-free calling, and a voice assistant function. Please read this manual carefully before installation and operation to ensure proper use and optimal performance.
2. Product Overview
2.1 Key Features
- FM Radio (87.5~108MHz)
- USB Player & USB Charging Port
- TF Card Playback
- AUX Input (3.5mm jack)
- Bluetooth 5.0 for stable and continuous connection
- Hands-free Calling
- Voice Assistant Function (AI voice)
- Mobile APP Remote Control
- RCA Audio Output (for external subwoofer)
- Colorful Lights (7 options)
- FLAC Lossless Audio Support
- Treble and Bass Adjustment
- Stereo Sound
- Voltage Protection
2.2 Package Contents
The package includes the following items:

- BQCC M11 Car MP3 Player Unit
- Power/Speaker Wiring Harness (ISO standard plug)
- Remote Control
- User's Manual
- Removal Tools
2.3 Front and Rear Panel Introduction

Front Panel Controls:
- MODE: Function switch / Hang up call
- MUTE: Mute / Power on/off
- BAND: Band switching / Answer call
- CLK: Time display
- Volume Knob: Rotate for volume, short press for menu, long press for voice assistant (in BT mode)
- Previous Track / Next Track
- Radio 01 / PAUSE PLAYBACK
- Radio 02 / Browse play / Loop
- Radio 03 / RPT (Repeat) / Random
- Radio 04 / Shuffle Playback
- Radio 05 / TRACK-10 / FOLDER-
- Radio 06 / Track+10 / Folder+
- TF Card Slot
- USB Playback Port
- USB Charging Port
- AUX Input (3.5mm jack)
Rear Panel Connections:
- ISO Standard Plug (Power cord/Speaker cord)
- Audio Left Channel Output
- Audio Right Channel Output
- Radio Antenna Input
3. Installation
3.1 Dimensions

The unit has the following approximate dimensions:
- Installation Size: 178mm (Width) x 50mm (Height)
- Shell Size: 188mm (Width) x 58mm (Height)
- Host Depth: 55mm
3.2 Wiring Diagram
Connect the wiring harness to your car's electrical system and speakers according to the diagram below. Ensure all connections are secure and correctly matched to avoid damage to the unit or vehicle.

Important: If you are unsure about the wiring, please consult a professional car audio installer.
3.3 Installation Effect

4. Operating Instructions
4.1 Power On/Off and Mute
- Power On/Off: Long press the MUTE button.
- Mute: Short press the MUTE button during playback. Press again to unmute.
4.2 Volume Control
- Rotate the central Volume Knob clockwise to increase volume and counter-clockwise to decrease volume.
4.3 Source Selection (MODE)
- Short press the MODE button to cycle through available audio sources: FM Radio, USB, TF Card, AUX, Bluetooth.
4.4 FM Radio Operation

- Frequency Range: 87.5~108MHz.
- Auto Scan: Long press the BAND button to automatically scan and save FM stations.
- Manual Tuning: Use the Previous Track and Next Track buttons for fine-tuning.
- Preset Stations: Short press number buttons (01-06) to select saved stations.
4.5 USB/TF Card/AUX Playback

- USB Playback: Insert a USB flash drive into the USB playback port. The unit will automatically switch to USB mode and begin playing audio files.
- TF Card Playback: Insert a TF card into the TF card slot. The unit will automatically switch to TF card mode and begin playing audio files.
- AUX Input: Connect an external audio device (e.g., smartphone, MP3 player) to the 3.5mm AUX input jack using an audio cable. Select AUX mode using the MODE button.
- Playback Controls: Use Previous Track, Next Track, PAUSE PLAYBACK (01), Browse play (02), RPT (03), Shuffle (04), FOLDER- (05), FOLDER+ (06) buttons to control playback.
4.6 Colorful Lights

- Short press the Volume Knob several times until "AUTO" is displayed on the screen.
- Then, rotate the Volume Knob to cycle through the 7 available colors.
- When "AUTO" is selected, the lights will automatically change colors.
4.7 RCA Audio Output

- The unit features RCA audio output ports on the rear panel.
- These can be used to connect an external amplifier or active subwoofer for a more powerful audio experience.
5. Bluetooth Pairing and Hands-free Calling

5.1 Pairing Your Device
- Turn on the M11 Car MP3 Player.
- Select Bluetooth mode by pressing the MODE button until "BT" appears on the display.
- Enable Bluetooth on your mobile phone or other device.
- Search for available devices and select "M11" (or similar name) from the list.
- Once paired, the unit will display "BT ON" or a similar confirmation.
5.2 Hands-free Calling

- Answer Call: Short press the BAND button when an incoming call rings.
- End Call: Short press the MODE button during a call.
- Redial: Short press the BAND button twice to redial the last number.
6. Voice Assistant

- In Bluetooth mode, long press the central Volume Knob to wake up your phone's voice assistant (e.g., Siri, Google Assistant).
- You can then issue voice commands for navigation, music playback, calls, and more.
7. App Remote Control

- The M11 supports mobile APP control.
- Scan the QR code provided in the product images or user manual to download the corresponding APP for your mobile phone (Android or iOS).
- Once installed and connected via Bluetooth, you can control various functions of the player directly from your smartphone.
8. USB Charging

- The unit includes a dedicated USB port for charging mobile phones.
- Connect your phone's USB charging cable to this port for convenient and fast charging while driving.
9. Maintenance
- Cleaning: Use a soft, dry cloth to clean the unit's surface. Do not use abrasive cleaners or solvents.
- Dust: Keep the USB and TF card slots free of dust and debris.
- Temperature: Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods.
- Moisture: Keep the unit dry. Moisture can damage internal components.
10. Troubleshooting
- No Power: Check the power connections and the vehicle's fuse. Ensure the unit is properly installed.
- No Sound: Check speaker connections. Ensure the volume is not muted or too low. Verify the correct audio source is selected.
- Poor FM Reception: Check the antenna connection. Try scanning for stations again. Move to an area with better signal.
- Bluetooth Not Connecting: Ensure Bluetooth is enabled on both the player and your device. Make sure the player is in Bluetooth mode. Try unpairing and re-pairing the device.
- USB/TF Card Not Playing: Ensure the audio files are in a supported format (MP3/WMA/WAV/FLAC). Check if the USB drive or TF card is properly inserted and not corrupted.
11. Specifications
| Parameter | Value |
|---|---|
| Model | M11 |
| Type | Car MP3 Player |
| Software Solution | 2900 |
| Radio Frequency | FM 87.5~108MHz |
| Radio IC | Chip Integration |
| Amplifier IC | TDA1028 |
| Output Power | 45W x 4 |
| Working Voltage | 12~14.4V |
| Working Temperature | -10~60 ℃ |
| Bluetooth Version | 5.0 |
| Item Weight | 0.3kg |
| Audio Format Support | MP3/WMA/WAV/FLAC |
| Display Size | None (LED Digital Tube) |
| Special Features | Radio Tuner, USB, TF Card, AUX, Bluetooth, Voice Assistant, App Control, RCA Output |
12. User Tips
- For optimal Bluetooth performance, ensure your phone is within close proximity to the player.
- When using the voice assistant, speak clearly and directly towards the unit's microphone.
- Regularly check for firmware updates via the mobile app (if available) to ensure the best performance and new features.
- To prevent battery drain, ensure the car's ignition is off when the player is not in use for extended periods, especially if wired directly to constant power.
13. Warranty and Support
This product comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support or service inquiries, please contact your retailer or the BQCC customer service department.





