1. Introduction
Welcome to the user manual for your ONCHEER 2076BT Portable Retro Vintage Bluetooth Speaker Radio. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
2. Safety Information
To ensure safe operation and prevent damage, please observe the following safety guidelines:
- Do not expose the device to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the device to strong impacts.
- Do not attempt to disassemble, repair, or modify the device yourself. Contact qualified service personnel for assistance.
- Use only the specified charging cable and power adapter (DC 5V) to charge the device.
- Keep the device away from heat sources, direct sunlight, and flammable materials.
- Clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
3. Package Contents
Please check the package for the following items:
- ONCHEER 2076BT Portable Retro Vintage Bluetooth Speaker Radio
- USB Charging Cable
- User Manual (this document)
4. Product Overview
Familiarize yourself with the components and controls of your ONCHEER 2076BT radio.

Figure 4.1: Front and top view of the ONCHEER 2076BT radio, highlighting its retro design, speaker grille, tuning dial, and control knobs.

Figure 4.2: Close-up of the radio's controls, including the power/volume knob, band selector, tuning dial with LED backlight, and the USB/TF card slots on the top panel.
Controls and Ports
- OFF/VOLUME Knob: Rotate clockwise to power on and increase volume; rotate counter-clockwise to decrease volume and power off.
- Band Selector Switch: Selects between FM, AM, SW, and MP3/Bluetooth modes.
- Tuning Knob: Used to tune into radio stations in FM, AM, or SW modes.
- Telescopic Antenna: Extend for improved radio reception.
- USB Port: For playing music from a USB flash drive.
- TF Card Slot: For playing music from a TF (MicroSD) card.
- DC 5V Charging Port: Connect the USB charging cable here to charge the internal battery.
- Speaker Grille: Audio output.
5. Setup
5.1 Initial Charging
The device includes a built-in 1200mAh rechargeable battery. Before first use, fully charge the radio to ensure optimal battery life.
- Connect the small end of the provided USB charging cable to the DC 5V charging port on the radio.
- Connect the standard USB end of the cable to a compatible USB power adapter (not included) or a computer's USB port.
- The charging indicator light (if present) will illuminate during charging and turn off or change color when fully charged.
- A full charge typically takes 4-5 hours. The radio can operate for over 12 hours on a full charge, depending on volume level.
5.2 Antenna Adjustment
For optimal radio reception, extend the telescopic antenna fully and adjust its direction until you achieve the clearest signal.
6. Operating Instructions
6.1 Power On/Off and Volume Control
- To power on the radio, rotate the OFF/VOLUME knob clockwise.
- Continue rotating clockwise to increase the volume.
- To decrease the volume, rotate the knob counter-clockwise.
- To power off the radio, rotate the knob fully counter-clockwise until it clicks.
6.2 Mode Selection
Use the Band Selector Switch (located below the volume knob) to choose your desired operating mode:
- FM: Frequency Modulation radio band.
- AM: Amplitude Modulation radio band.
- SW: Shortwave radio band.
- MP3/Bluetooth: For playing music from TF card, USB drive, or via Bluetooth.
6.3 Radio Operation (FM/AM/SW)
- Select the desired radio band (FM, AM, or SW) using the Band Selector Switch.
- Extend the telescopic antenna for better reception.
- Rotate the Tuning Knob to scan for radio stations. The tuning dial will illuminate to assist with visibility in low light.
- Adjust the antenna position and the tuning knob slightly for the clearest signal.

Figure 6.1: The radio with its telescopic antenna extended for improved reception, illustrating its compact dimensions (approximately 180mm length, 77mm width, 100mm height).
6.4 Bluetooth Mode
- Switch the Band Selector Switch to the MP3/Bluetooth position. The radio will enter Bluetooth pairing mode, indicated by an audible prompt.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "ONCHEER 2076BT" (or similar name) from the list of devices to pair.
- Once paired, you will hear a confirmation sound, and you can now play audio from your device through the radio.

Figure 6.2: The radio wirelessly connected to a mobile phone, demonstrating its Bluetooth music playback capability.
6.5 TF Card / USB Playback
- Ensure the Band Selector Switch is set to the MP3/Bluetooth position.
- Insert a TF (MicroSD) card or a USB flash drive containing MP3 audio files into the corresponding slot on the radio.
- The radio will automatically detect the storage device and begin playing the MP3 files.
- Supported audio format: MP3.

Figure 6.3: Visual representation of the radio's multi-functional capabilities, including radio, Bluetooth connectivity, TF card playback, and USB disk playback.
7. Maintenance
7.1 Cleaning
- Wipe the exterior of the radio with a soft, dry, lint-free cloth.
- Do not use liquid cleaners, aerosols, or solvents, as they may damage the finish or internal components.
7.2 Storage
- When not in use for extended periods, store the radio in a cool, dry place, away from direct sunlight and extreme temperatures.
- It is recommended to charge the battery periodically (e.g., every 3 months) to maintain its health if stored for a long time.
8. Troubleshooting
If you encounter any issues with your ONCHEER 2076BT radio, please refer to the following table for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Radio does not power on. | Battery is depleted. | Charge the radio using the provided USB cable and a DC 5V power source. |
| Poor radio reception. | Antenna not extended or adjusted correctly; weak signal area. | Fully extend the telescopic antenna and adjust its position. Try moving the radio to a different location. |
| Bluetooth not connecting. | Radio not in Bluetooth mode; device too far; previously paired device connected. | Ensure the band selector is on MP3/Bluetooth. Move your device closer. Disconnect from other Bluetooth devices. Restart both radio and mobile device. |
| No sound from TF card or USB drive. | Incorrect mode; unsupported file format; corrupted files. | Ensure the band selector is on MP3/Bluetooth. Verify files are in MP3 format. Check if the TF card/USB drive is inserted correctly. |
| Sound is distorted or too low/high. | Volume level incorrect; audio source issue. | Adjust the OFF/VOLUME knob. Check the volume on your connected Bluetooth device. |
9. Specifications
Technical specifications for the ONCHEER 2076BT Portable Retro Vintage Bluetooth Speaker Radio:
| Feature | Specification |
|---|---|
| Model Number | 2076BT |
| Product Dimensions | 5.5"L x 4"W x 3.5"H (180mm x 77mm x 100mm) |
| Item Weight | 13 ounces |
| Battery | 1200mAh Rechargeable (included) |
| Charging Input | DC 5V |
| Connectivity | Bluetooth |
| Radio Bands Supported | FM/AM/SW |
| Speaker Output | 3W |
| Media Playback | TF Card, USB Drive (MP3 format) |
10. Warranty and Support
For warranty information, technical support, or any inquiries regarding your ONCHEER 2076BT radio, please refer to the contact details provided with your purchase or visit the official ONCHEER website. Please retain your proof of purchase for warranty claims.

