Important Notice
The operating interface keys and the included manual are in Chinese. If you are not proficient in Chinese, please be aware that operation may be challenging.
1. Introduction
The TECSUN M-801 is a versatile portable device combining an FM radio, a recorder, a Bluetooth music player, and a lighting function. Designed for simple operation, it offers clear sound quality with bright highs and soft bass, allowing you to enjoy music and radio anytime, anywhere. It also features a call-for-help function for emergencies.
Key Features:
- FM Radio (64-108MHz settable)
- Bluetooth 5.0 Receiver for wireless audio streaming and hands-free calls
- Music Player supporting FLAC, WAV, WMA, and MP3 formats (16bit/44.1k)
- Three recording methods: broadcast recording, Bluetooth recording, and live/telephone recording
- High-brightness LED light with SOS distress alarm function
- Multi-function display showing power, radio frequency, time, and temperature
- Automatic boot function with settable time (1-120 minutes)
- USB Type-C charging port for convenient power supply
- Support for TF memory cards up to 128GB
- Can be used as a computer speaker
2. Package Contents
Please check the package for the following items:
- TECSUN M-801 Multi-functional Radio Recorder
- USB Micro Type-C data line
- User Manual (in Chinese)
- After-sales service guarantee card
Note: The 18650 type 3.7V lithium battery, charger/power adapter (DC 5V1A), stereo headphones (32-150Ω), and TF memory card are purchased separately and are not included in the standard package.
3. Product Components





Controls and Ports:
- Front Panel: Display screen, speaker, various function buttons (FM, Music, Bluetooth, Volume, Play/Pause, Skip, Record, Library, Time, Alarm Clock, Lock, Show Mode, Favorite, Store, Reset).
- Right Side: Multi-function knob, Stereo headphone output, USB Type-C charging port.
- Left Side: Lighting/SOS Key Switch, High Brightness LED Light.
- Back Panel: Battery compartment.
- Bottom Panel: Reset key (small hole), TF memory card socket.
4. Initial Setup
4.1. Battery Installation
- Locate the battery compartment on the back of the M-801.
- Open the battery compartment cover.
- Insert a 3.7V 18650 type lithium battery, ensuring correct polarity.
- Close the battery compartment cover securely.
4.2. Charging the Device
- Connect the provided USB Type-C data line to the charging port on the right side of the M-801.
- Connect the other end of the USB cable to a DC 5V 1A power adapter (sold separately) or a compatible USB power source.
- The device will indicate charging status on the display.
- Charging time may vary. Disconnect the charger once the battery is fully charged.
4.3. Inserting a TF Memory Card
- Locate the TF memory card socket on the bottom of the M-801.
- Gently insert a TF memory card (maximum 128GB, sold separately) into the slot until it clicks into place.
- To remove, gently push the card in again until it springs out.
5. Operation
5.1. Power On/Off
Press and hold the power button (usually located near the multi-function knob) to turn the device on or off.
5.2. FM Radio Function
- Press the "FM" button to switch to FM radio mode.
- Use the multi-function knob or the "Skip" buttons (forward/backward) to tune to desired frequencies.
- The "Store" button can be used to save favorite stations. The device supports storing up to 100 frequencies.
- The "ATS" (Automatic Tuning Storage) function can automatically scan and save available stations.
5.3. Bluetooth Music Player

- Press the "Bluetooth" button to enter Bluetooth mode. The display will show "BT".
- On your mobile device, search for available Bluetooth devices and select "TECSUN M-801" to pair.
- Once paired, you can play music from your mobile device through the M-801.
- The M-801 supports hands-free calls when connected via Bluetooth.
5.4. Music Player (from TF Card)
- Ensure a TF card with supported audio files (FLAC, WAV, WMA, MP3) is inserted.
- Press the "Music" button to switch to music player mode.
- Use the "Play/Pause" button to start or pause playback.
- Use the "Skip" buttons (forward/backward) to navigate between tracks.
- The device supports breakpoint resume, meaning it will continue playback from where it left off.
5.5. Recording Function
The M-801 supports three types of recording:
- Broadcast Recording: Records FM radio content.
- Bluetooth Recording: Records audio received via Bluetooth.
- Live/Telephone Recording: Records external audio (mono MP3) or telephone conversations.
To initiate recording, press the "Record" button. Press it again to stop. Recordings are saved to the TF card.
5.6. Lighting and SOS Alarm

The left side of the device features a high-brightness LED light and an SOS key switch.
- To turn on/off the LED light: Short press the "Illumination/SOS" button.
- To activate the distress alarm: Long press the "Illumination/SOS" button. The display will show "SOS", an alarm will sound, and the light will flash the international distress signal (three short, three long, three short) to attract attention.
Note: The volume of the SOS alarm is not adjustable.
5.7. Alarm Clock and Automatic Boot
The M-801 includes an alarm clock function and a regular automatic boot function. Refer to the Chinese manual for detailed instructions on setting these features, as the interface is in Chinese.
6. Maintenance
- Keep the device dry. Avoid exposure to rain, moisture, or liquids.
- Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Avoid extreme temperatures. Do not store in very hot or cold environments.
- Protect from strong impacts or drops.
- When not in use for extended periods, remove the battery to prevent leakage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Battery is dead or incorrectly installed. | Charge the battery or ensure it is installed with correct polarity. |
| Poor FM reception. | Weak signal, interference. | Move to an area with better reception. Try using the ATS function to find stronger stations. |
| Bluetooth pairing fails. | Device not in pairing mode, too far from source, interference. | Ensure M-801 is in Bluetooth mode. Keep devices within range. Restart both devices. |
| Music not playing from TF card. | TF card not inserted correctly, unsupported file format, corrupted files. | Reinsert TF card. Ensure music files are in supported formats (FLAC, WAV, WMA, MP3). Try another TF card. |
| Device unresponsive. | Software glitch. | Locate the reset key (small hole) on the bottom of the device and gently press it with a thin object (e.g., paperclip) to reset. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | M-801 |
| Fixed Type | Hook (for handle) |
| Screen Netting Material | Plastic |
| Use | Window (likely referring to display window) |
| Origin | Mainland China |
| FM Frequency Range | 64-108MHz (settable, varies by region) |
| FM Sensitivity (S/N=30dB) | Better than 3μV |
| FM Selectivity | Better than 60dB |
| Stored Frequencies | 100 |
| Supported Audio Formats | 16bit/44.1k FLAC/WAV/WMA/320kbps MP3 |
| TF Card Support | Maximum 128GB |
| Recording Format | Live/Telephone: mono MP3; Broadcast/Bluetooth: Stereo MP3 |
| Bluetooth Version | BT 5.0 (2.4G, 5.0 version) |
| Stereo Headphone Impedance | 32-150Ω (headphones sold separately) |
| Speaker | φ77mm, 4Ω, 3W |
| Maximum Working Current | 600mA |
| Quiescent Current (FM) | < 50mA |
| Maximum Output Power | 2W |
| Standby Current | < 90μA |
| Power Supply | 3.7V/18650 type lithium battery |
| Charger/Power Adapter | USB DC 5V 1000mA (sold separately) |
| Physical Size (WxHxD) | Approx. 195 x 133 x 41 mm |
| Net Weight | Approx. 390g (excluding battery) |
9. User Tips
- Language Barrier: As the interface is in Chinese, consider using a translation app with camera functionality to understand button labels and menu options, especially for advanced settings like alarm clock or automatic boot.
- Battery Life: To maximize battery life, turn off the device when not in use and avoid fully discharging the battery frequently.
- Sound Quality: For optimal sound, ensure the device is placed on a stable surface and away from obstructions.
- TF Card Compatibility: If experiencing issues with TF card playback, try formatting the card to FAT32 on a computer and ensure your music files are in the specified supported formats.
10. Warranty and Support
This product comes with an after-sales service guarantee. For warranty claims or technical support, please refer to the contact information provided on the guarantee card included in your package. Keep your purchase receipt as proof of purchase.
For further assistance, you may also contact the seller, Macchiat Store, through the platform where you purchased the product.