Introduction
This manual provides comprehensive instructions for the operation and maintenance of your LETING 088 Portable Mini USB FM Radio Speaker Music Player. Designed for versatility and portability, this device functions as an FM radio, MP3 player supporting TF cards and USB flash drives, and a speaker via AUX input. Please read this manual thoroughly before use to ensure proper functionality and longevity of your device.
Safety Information
- Do not expose the device to extreme temperatures, direct sunlight, or high humidity.
- Avoid dropping or subjecting the device to strong impacts.
- Do not disassemble or attempt to repair the device yourself. Refer to qualified service personnel.
- Keep the device away from water and other liquids.
- Use only the specified charging cable and power source to prevent damage.
- Prolonged listening at high volume levels may cause hearing damage.
Package Contents
Please check the package for the following items:
- 1 x LETING 088 Portable Mini USB FM Radio Speaker Music Player
- 1 x User Manual
- 1 x AUX Cable
- 1 x Charge Cable
Image: Contents of the LETING 088 package, showing the radio, user manual, AUX cable, and charging cable.
Product Overview
Familiarize yourself with the various components and controls of your LETING 088 radio.
Image: Detailed diagram of the LETING 088 Portable Radio, highlighting its various parts including the power switch, volume knob, LED flashlight, DCSV charge port, MP3 repeat button, USB port, LED charging indicator, audio input, earphone output, LED display screen, mode switch, previous/next track buttons, TF card slot, and play/pause/scan button.
- Power Switch (ON/OFF): Located on the top side, slides to turn the device on or off.
- Volume Knob: Rotary dial on the top for adjusting audio volume.
- LED Flashlight: Integrated light on the side, activated by a dedicated button.
- DCSV Charge Port: Mini-USB port for charging the device.
- MP3 Repeat (REP) Button: Toggles repeat mode for MP3 playback.
- USB Port: For connecting USB flash drives to play MP3 files.
- LED Charging Indicator: Light indicating charging status.
- Audio Input (AUX): 3.5mm jack for connecting external audio sources.
- Earphone Output: 3.5mm jack for private listening with headphones.
- LED Display Screen: Shows FM frequency, track number, or mode.
- Numeric Keypad (0-9): For direct tuning of FM stations or selecting MP3 tracks.
- Mode Switch (M): Cycles between TF card, USB, AUX, and FM modes.
- Previous/Next Track Buttons: For navigating tracks in MP3 mode or stations in FM mode.
- TF Card Slot: For inserting a TF (microSD) card to play MP3 files.
- Play/Pause/Scan Button: Controls playback and initiates FM auto-scan.
Setup
1. Battery Installation
The LETING 088 uses a replaceable 800mAh battery. To install or replace the battery:
- Locate the battery compartment cover on the back of the device.
- Gently slide the cover open.
- Insert the 800mAh replaceable battery, ensuring the contacts align correctly.
- Close the battery compartment cover securely.
Image: Illustration of how to open the battery compartment and insert the replaceable battery into the LETING 088 radio.
2. Charging the Device
Before first use, fully charge the device. Connect the provided charging cable to the DCSV Charge Port on the side of the radio and the other end to a USB power source (e.g., computer USB port, USB wall adapter). The LED charging indicator will illuminate during charging.
Operating Instructions
Power On/Off
Slide the ON/OFF switch located on the top of the device to the "ON" position to power on. Slide it to "OFF" to power off.
FM Radio Operation
To enter FM radio mode, press the Mode (M) button until "FM" appears on the display.
- Auto Scan and Memory: Press and hold the Play/Pause/Scan button for 3 seconds. The radio will automatically scan for available FM stations and save them.
- Manual Tuning: Use the numeric keypad to directly enter the frequency (e.g., 93.7 for 93.7 MHz).
- Navigate Stations: Use the Previous/Next Track buttons to cycle through saved stations.
Image: The LETING 088 radio demonstrating its auto-scan and memory function for FM stations, showing a finger pressing the play/pause button to initiate the scan.
Video: An official demonstration of the LETING L-088 Portable Radio, showcasing its features including FM radio tuning, TF card and USB flash drive support, and overall operation.
MP3 Player Operation (TF Card / USB Flash Drive)
The device supports MP3 playback from TF (microSD) cards (0-32GB) and USB flash drives. Only MP3 format files are supported.
- Insert your TF card into the TF card slot or your USB flash drive into the USB port.
- Press the Mode (M) button to switch to TF card mode or USB mode. The device will automatically begin playing MP3 files.
- Use the Previous/Next Track buttons to skip between songs.
- Press the Play/Pause button to pause or resume playback.
- Press the REP button to toggle repeat modes (e.g., repeat one, repeat all).
Image: Visual representation of the four music playback modes available on the LETING 088: FM Radio, USB Driver, TF Card, and AUX input, with a note that only MP3 format files are supported.
AUX Input
Connect an external audio device (e.g., smartphone, computer) to the radio using the provided 3.5mm AUX cable. Press the Mode (M) button to switch to AUX mode. The radio will then act as an external speaker for your connected device.
Flashlight Function
Press the LED button on the side of the device to turn the integrated flashlight on or off. This can be used independently of the radio functions.
Image: The LETING 088 radio being used as an emergency flashlight, showing its bright LED light in various low-light scenarios.
Volume Control
Rotate the Volume Knob on the top of the device clockwise to increase volume and counter-clockwise to decrease volume.
Earphone Use
For private listening, plug standard 3.5mm earphones into the Earphone Output jack on the side of the device. The internal speaker will automatically mute when earphones are connected.
Image: The LETING 088 radio with its 3.5mm earphone jack highlighted, and a person preparing to use headphones for private listening.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use abrasive cleaners or solvents.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. If storing for a long period, charge the battery to about 50% and recharge every few months.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Battery is low or not installed correctly. | Charge the battery. Ensure the battery is correctly inserted. |
| No sound or low volume. | Volume is too low; earphones connected; device in AUX mode without input. | Increase volume. Disconnect earphones. Ensure AUX input is active or switch modes. |
| Cannot read TF card or USB drive. | Incorrect file format; card/drive not inserted properly; unsupported capacity. | Ensure files are MP3 format. Reinsert card/drive. Use supported capacity (0-32GB for TF). |
| Poor FM reception. | Weak signal area; interference. | Relocate the device to an area with better signal. Extend the hand rope antenna. |
| Flashlight not working. | Battery low; LED button not pressed correctly. | Charge the battery. Press the LED button firmly. |
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 4.9"L x 0.95"W x 2.3"H (approx. 12.4 x 2.4 x 5.8 cm) |
| Item Weight | 5.6 ounces (approx. 158.7 grams) |
| Model Number | 088 |
| Battery | 1 Lithium Ion battery required (800mAh replaceable) |
| Connectivity Technology | USB, AUX |
| Tuner Technology | FM |
| Radio Bands Supported | FM-87.8-108MHZ |
| Power Source | Battery Powered |
| Supported Media | TF Card (0-32GB), USB Flash Drive (MP3 files only) |
| Special Features | Portable, Emergency Flashlight, MP3 Speaker, Lightweight, Headphone Jack, Rechargeable |
Warranty and Support
LETING is committed to providing quality products and excellent customer service. We offer the following support for your product:
- 2-Year After-Sales Service: We provide 2 years of after-sales service for quality problems.
- 365 Days Replacement: In case of issues, a replacement can be provided within 365 days.
- 24 Hours Buyer-Seller Message Support: Our team is available to respond to your inquiries within 24 hours.
- Amazon After Sales Supporting: We offer support through the Amazon platform.
If you encounter any issues or have questions regarding your LETING 088, please do not hesitate to contact us through the Amazon messaging system. Your satisfaction is our priority.
Image: Customer support details for LETING, highlighting 365 days replacement, 24 hours buyer-seller message, and Amazon after-sales support.