T68 Car Mp3 Player Bluetooth Hands-Free FM Transmitter With Card/Usb Support, Lossless Sound Quality, Universal For Cars

[Packaging Information] Packing quantity: 100 units per box. Box dimensions: 55X35X20 CM Packaging dimensions: 10.7 x 6.6 x 4.5cm Gross weight: 67 grams / Net weight:42 grams Packaging accessories 1. Main unit 2. Chinese and English manual 3. English neutral packaging Product Features: 1. Bluetooth V5.0 2. Blue digital tube display 3. Supports QC3.0 fast charging 4. Supports PD fast charging 5. Supports voice assistant function 6. Battery Voltage Detection 7. Automatic power-off memory function 8. Supports stereo FM transmission technology 9. Supports playback from USB drives/memory cards (not exceeding 32G) 10. Supports WMA, MP3, WAV, FLAC lossless music format files 11. Bluetooth supports A2DP, AVRCP, HFP, HSP 12. Mobile phone Bluetooth hands-free calling 13. Supports Bluetooth music playback on mobile phones 5. Technical Parameters: Rated operating voltage 12V-24V Operating Voltage 10~26V PD output power 18W USB output power 5W+18W Operating temperature 0~50 degrees Supported playback formats MP3 / WMA / WAV / FLAC Signal-to-noise ratio >60dB Battery voltage error ±0.5V USB1 USB drive/5V/1A USB2 QC3.0(3.6V-12V)+PD Bluetooth version Version 5.0 Bluetooth sound processing Equipped with DSP technology and A2DP (Advanced Audio Distribution Profile) function Bluetooth transmission distance Bluetooth microphone effective range 0.5~2M FM transmission frequency 87.5~108 MHz Transmitting FM mode Stereo digital PLL frequency locking Troubleshooting: No response or display when powered on ·Check whether the machine is in good contact with the cigarette lighter socket and whether the lighter socket is severely rusted Unplug and reinsert, then try again Is the cigarette lighter socket supplying power properly? Cannot play The USB device is not properly connected to the player, or try using another USB device Please ensure that there are no files copied in the USB device that are in a format supported by this product Please make sure the volume is not set to 0 There is noise cancellation but no sound Is the player in a paused state? Is the volume set to zero or very low? The car audio system is not receiving sound ·Confirm that the product launch has been activated Are the transmission frequency and reception frequency the same? The transmission effect is poor, there is noise ·Ensure that the frequency being transmitted currently does not have a strong signal from any radio station; by tuning to a frequency with no station, you can achieve the desired sound effect