Description: Using LCD display, the MP3 player is convenient for you to read the data. With power-off memory function, it can store the current playing frequency. The MP3 player has the functions of FM transmitter, U disk music playback, Bluetooth-compatible stereo music playback, call echo cancellation and noise reduction, USB output voltage and car battery voltage display, which is multifunctional and practical. It is made of high-quality ABS material, which is reliable and durable to use. The length of the product is 9.8cm, the width is 9cm and the height is 3cm. As a Bluetooth-compatible FM transmitter, it can transfer music from mobile phones, U disks, TF cards, and MP3 to car audio for playback. You can charge your mobile phone/for iPad smartly through the USB interface. The mobile phone can make a one-key hands-free call through Bluetooth-compatible. You can read the U disk through the USB interface, or read the TF card from the card slot. Using USB output voltage, it can provide voltage up to 5V/2.1A to other devices. Item Name: Car MP3 Player Material: ABS Model: S7 Supported Music Format: MP3/WMA Protocol: Headset, Hands-free, Bluetooth-compatible Audio Transmission, Charging, Support for LED Display, Etc. Functions: Answer/Reject, Power Saving, Volume Adjustment, Previous Song/Next Song, Full Frequency Transmission (Up to 200 Frequencies Can Be Selected), FM Transmitter, Frequency and Voltage Display Window, Independent Bluetooth-compatible Startup/Shutdown Button, Line Audio Input, U Disk Music Playback, Bluetooth-compatible Stereo Music Playback, Call Echo Cancellation and Noise Reduction (CVC) Technology, Automatic Memory Function of Power Failure Frequency Point, Car Battery Voltage Display Features: Fast Charger, HiFi Stereo Sound, LCD Display Size Details: 9.8cm x 9cm x 3cm/3.86" x 3.54" x 1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. How to Download MP3: 1. Turn on the radio in the car and tune to an idle frequency (frequency without broadcasting). 2. Insert this product into the car cigarette socket, and set the frequency to be consistent with the frequency of the radio just now. 3. Insert the memory card or U disk of the downloaded song into this machine, or connect the Bluetooth-compatible of the mobile phone. 4. In this way, the machine can automatically play the music in the memory card or U disk or mobile phone. Package Includes: 1 x Car MP3 Player 1 x AUX Audio Cable 1 x User Manual