1. Introduction
This manual provides detailed instructions for the operation and maintenance of your Leting Portable AM/FM Radio and MP3 Speaker, Model 088. This versatile device combines an FM radio, MP3 player, and a built-in flashlight, offering multiple audio playback options and portability.

Figure 1: Leting Portable AM/FM Radio and MP3 Speaker (Model 088)
2. Safety Information
Please read all safety instructions before using the device to ensure safe and proper operation.
- Do not expose the device to extreme temperatures, direct sunlight, or high humidity.
- Avoid dropping or subjecting the device to strong impacts.
- Do not attempt to disassemble or modify the device. Repairs should only be performed by qualified personnel.
- Keep the device away from water and other liquids.
- Use only the specified charging cable and battery.
- Dispose of batteries according to local regulations.
3. Package Contents
Verify that all items are present in the package:
- Leting Portable AM/FM Radio and MP3 Speaker (Model 088)
- User Manual
- AUX Cable
- Charging Cable

Figure 2: Included Accessories and Dimensions
4. Product Overview
Familiarize yourself with the various components and controls of your device.

Figure 3: Device Components and Controls
Controls and Ports:
- Power Switch (ON/OFF): Slide to turn the device on or off.
- Volume Knob: Rotate to adjust the audio volume.
- LED Flashlight: Activates the built-in flashlight.
- DCSV Charge Port: Connect the charging cable here.
- MP3 Repeat (REP) Button: Toggles repeat modes for MP3 playback.
- USB Port: Insert a USB flash drive for MP3 playback.
- LED Charging Indicator: Shows charging status.
- Audio Input (AUX): Connect external audio devices using the AUX cable.
- Earphone Output: Connect headphones for private listening.
- LED Display Screen: Shows frequency, track number, or mode.
- Number Keys (0-9): For direct frequency input in FM mode or direct track selection in MP3 mode.
- Mode Switch (M): Press to cycle between TF Card, USB, AUX, and FM modes.
- Previous/Rewind Button (◀◀): Short press for previous track/station; long press to rewind.
- Next/Fast-Forward Button (▶▶): Short press for next track/station; long press to fast-forward.
- Play/Pause/Scan Button (►▌▌): Play/pause MP3s; long press in FM mode to auto-scan and save stations.
- TF Card Slot: Insert a TF (MicroSD) card for MP3 playback.
5. Setup
5.1 Battery Installation
The device uses a replaceable Lithium Polymer battery.
- Locate the battery compartment cover on the back of the device.
- Gently slide or lift the cover to open it.
- Insert the provided battery, ensuring the contacts align correctly.
- Replace the battery compartment cover until it clicks securely into place.
Video 1: Demonstration of battery installation and basic operation of the Leting Portable Radio.
5.2 Charging the Battery
Before first use, fully charge the device.
- Connect the small end of the charging cable to the DCSV Charge Port on the device.
- Connect the other end of the charging cable to a USB power adapter (not included) or a computer's USB port.
- The LED Charging Indicator will illuminate during charging. It will typically change color or turn off when charging is complete.
6. Operating Instructions
6.1 Power On/Off
Slide the Power Switch to the "ON" position to turn on the device. Slide it to "OFF" to power down.
6.2 Mode Selection
Press the Mode Switch (M) button repeatedly to cycle through available modes: FM Radio, TF Card (MP3), USB (MP3), and AUX Input.

Figure 4: Multiple Playback Modes
6.3 FM Radio Operation
- Switch to FM mode using the Mode Switch (M). The LED display will show the FM frequency.
- Auto Scan and Save Stations: Long press the Play/Pause/Scan Button (►▌▌) for approximately 3 seconds. The radio will automatically scan for available FM stations and save them to memory.
- Navigate Saved Stations: Use the Previous (◀◀) and Next (▶▶) buttons to cycle through saved stations.
- Direct Frequency Input: Use the Number Keys (0-9) to directly enter a desired FM frequency (e.g., 8-8-4 for 88.4 MHz).

Figure 5: Auto Scan and Memory Function
6.4 MP3 Player Operation (TF Card / USB)
The device supports MP3 files only from TF cards (up to 32GB) and USB flash drives.
- Insert Media: Insert a TF card into the TF Card Slot or a USB flash drive into the USB Port.
- Select Mode: Press the Mode Switch (M) to select either "TF" or "USB" mode. The device will automatically begin playing MP3 files.
- Play/Pause: Press the Play/Pause/Scan Button (►▌▌) to play or pause the current track.
- Skip Tracks: Use the Previous (◀◀) and Next (▶▶) buttons to skip to the previous or next track.
- Direct Track Selection: Use the Number Keys (0-9) to directly enter the track number you wish to play.
- Repeat Mode: Press the MP3 Repeat (REP) Button to cycle through repeat options (e.g., repeat one, repeat all).

Figure 6: Four Ways to Play Music
6.5 AUX Input Mode
Connect external audio devices (e.g., smartphone, computer) to the radio.
- Connect one end of the provided AUX cable to the Audio Input (AUX) port on the radio.
- Connect the other end of the AUX cable to the headphone jack or audio output of your external device.
- Press the Mode Switch (M) to select "AUX" mode.
- Control playback and volume from your external device. The radio's volume knob will also adjust the output.
6.6 Flashlight Function
To activate the built-in LED flashlight, press the LED Flashlight button located on the side of the device. Press it again to turn it off.

Figure 7: Emergency Flashlight
6.7 Headphone Use
For private listening, connect standard 3.5mm headphones to the Earphone Output jack.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use abrasive cleaners or solvents.
- Battery Care: If the device will not be used for an extended period, remove the battery to prevent leakage. Recharge the battery periodically to maintain its lifespan.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
8. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Device does not power on. |
|
| Poor FM radio reception. |
|
| MP3s not playing from TF card/USB. |
|
| No sound from speaker/headphones. |
|
9. Specifications
- Model: 088
- Product Dimensions: 4.9 x 0.95 x 2.3 inches
- Item Weight: 3.88 ounces
- Battery: 1 Lithium Polymer battery (included)
- Radio Bands Supported: FM 87.8-108 MHz
- Connectivity Technology: USB
- Supported Media: TF Card (up to 32GB), USB Flash Drive (MP3 files only)
- Special Features: Lightweight, Portable, Emergency Flashlight, MP3 Speaker, Rechargeable, Headphone Jack, AUX Input
10. Warranty and Support
LETING is committed to providing quality products and customer satisfaction. For any inquiries or support needs, please refer to the following:
- Replacement Policy: 365-day replacement for product issues.
- Customer Service: 24-hour buyer-seller message support is available.
- After-Sales Support: Amazon after-sales support is provided.
- For further assistance, please contact the seller directly through your Amazon order history.