1. Product Overview
The XHDATA D-368 is a versatile portable stereo radio featuring FM, AM, and Shortwave (SW) bands, along with an integrated MP3 player supporting USB and TF card playback, and Bluetooth connectivity. It is designed for ease of use and portability, offering multiple audio sources in a compact device.

2. Package Contents
- XHDATA D-368 Portable Stereo Radio
- USB Charging Cable
- User Manual
- Rechargeable 18650 Battery (pre-installed or separate)
3. Device Layout and Controls



Function Button Description:
- Mode switch: Toggles between Radio and MP3/BT modes.
- ◀◀ Previous key: Skips to the previous track (MP3/BT) or for fast reverse (long press).
- ▶■ Play/pause key: Plays/pauses audio (MP3/BT). Also used for single/all play mode and Bluetooth disconnect/reconnect.
- ▶▶ Next key: Skips to the next track (MP3/BT) or for fast forward (long press).
- DC 5V Input socket: Micro USB port for charging the battery.
- Charging LED/Tuning LED: Indicates charging status (red while charging, off when full) and tuning status (red when tuned to a station).
- TF card socket: Slot for MicroSD (TF) cards for MP3 playback.
- USB socket: USB-A port for USB drives for MP3 playback.
- Radio tuning button: Rotary dial for fine-tuning radio frequencies.
- Power/function switch: Turns the device ON/OFF and selects between Radio and MP3/BT functions.
- Volume button: Rotary dial to adjust audio output level.
- Radio band button: Slides to select FM1, FM2, AM, or SW bands.
- Antenna: Telescopic rod antenna for radio reception.
- Stereo headphone jack: 3.5mm output for wired headphones.
- Stereo LED: Illuminates when FM stereo signal is received (requires headphones).
4. Setup and First Use
4.1. Battery Installation and Charging
- Open the battery compartment cover on the back of the radio (refer to Figure 4).
- Insert the provided 18650 rechargeable battery, ensuring correct polarity (+/-).
- Close the battery compartment cover.
- Connect the supplied USB charging cable to the DC 5V Input socket (5) on the radio.
- Connect the other end of the USB cable to a standard 5V USB power adapter (e.g., a phone charger) or a computer USB port.
- The Charging LED (6) will illuminate red, indicating the battery is charging.
- The Charging LED will turn off when the battery is fully charged.
4.2. Initial Power On
- Slide the Power/function switch (10) to the desired mode (e.g., 'RADIO' or 'MP3/BT').
- Adjust the Volume button (11) to a low level before playing audio.
5. Operating Instructions
5.1. Radio Function Operation
- Slide the Power/function switch (10) to the 'RADIO' position.
- Adjust the Volume button (11) to a comfortable listening level.
- Push the Radio band button (12) to select your desired band: FM1, FM2, AM, or SW.
- For FM or SW bands: Fully extend the telescopic Antenna (13) and adjust its angle for the best reception.
- For AM band: Rotate the entire radio body to find the best receiving angle, as the internal antenna is directional.
- Slowly turn the Radio tuning button (9) to scan for radio stations. The Tuning LED (6) will illuminate red when a station is properly tuned.
FM Stereo Operation:
- Plug stereo headphones into the Stereo headphone jack (14).
- When a strong FM stereo signal is received, the Stereo LED (15) will illuminate, indicating stereo audio output through the headphones.
5.2. USB/TF MP3 Playing Function

- Slide the Power/function switch (10) to the 'MP3/BT' position.
- Adjust the Volume button (11).
- Insert a USB drive into the USB socket (8) or a TF (MicroSD) card into the TF card socket (7). The radio will automatically begin playing MP3 files.
- To select tracks: Short press the Previous key (2) or Next key (4).
- To fast forward/reverse: Long press the Previous key (2) or Next key (4).
- To pause/resume: Short press the Play/pause key (3).
- Single/All Play Mode: Long press the Play/pause key (3) for 3 seconds. When