Features: brand new and high quality The car adapter will come with 3.1A quick charger, is available for charging handheld devices in car. Support bluetooth-compatible hands-free phone calling with its built-in microphone. Auto pairing once turns it on. Stereo bluetooth-compatible and FM transmission technology; Support WMA MP3,WAV,APE,FLAC format music; Support USB flash drive/TF card/bluetooth-compatible music player function; Cigarette lighter power supply: 12V-24V voltage; Specifications: Material:ABS Color:Black Size:83x50x45mm/3.27x1.97x1.77in Bluetooth-compatible Version: V 5.0 Cigarette Lighter Power Supply: 12V-24V Voltage; Music Format: WMA MP3,WAV,APE,FLAC Applicable Model: for 12V-24V large and small for cars can be used Storage Capacity: No Memory FM Frequency Modulation Function: Yes Interface Type: USB Screen Size: 1.1 Inches Screen Color: Monochrome Screen Power Supply Mode: Cigarette Lighter Type Car MP3 Audio Source: U Disk Type Car MP3 Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Car MP3 Player 1 x User Manual