Specifications: Support FM channels, the car bluetooth-compatible FM lets you enjoy your phone music when driving and plays a louder and clearer phone navigation voice on car stereo. Support bluetooth-compatible hands-free phone calling through built-in microphone, just press the button to answer phone call, very convenient and keep your driving safe. Support TF card and USB flash drive reading (up to 32GB Max), can play music files on FLAC/MP3/WMA/WAV format. Dual USB ports with Max. 5V/3.1A output, support smart charging, automatically identify all kinds of mobile phones/tablets/mp3/ mp4, provide and output the best and fastest charging current. Support voltmeter function, the screen will display the car battery voltage when it is turning on. Built-in intelligent management chip, effectively prevent over-temperature, over-voltage, over-current, short circuit and electromagnetic interference. DC 12-24V voltage input, suitable for all vehicles, applicable to most cars, trucks, off-road, etc. Item Name: Car MP3 Player Material: ABS Features: Handsfree Talking, Dual USB Ports, Quick Charge Size: 4.5cm x 3.5cm x 8cm/1.77" x 1.38" x 3.15" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Car MP3 Player