Features: Plug and Play: The player supports USB flash disk playing music just plug and play. And it supports various music format. Bluetooth-compatible 5.0 Chip: The Bluetooth-compatible 5.0 chip is compatible with earlier versions and is intended for low-power devices while maintaining high-speed transmission. Power-Off Memory: Automatically connection memory frequency song and volume restart after powered off start play from the first sentence of the song which disconnected due to power broken. Hands Free Calling: Built in microphone for clear and smooth calls. One click hands-free call for safer driving. After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications: Material: ABS FM Transmission Frequency: 87.5-108MHz Bluetooth-compatible Version: 5.0 Bluetooth-compatible Transmission Distance: 5-10m Working Voltage: 12V-24V Music Format: MP3/WMA/FLAC/MAV Notes: Please note that due to the influence of light and screen slight chromatic aberration is acceptable. Please allow slight measurement error due to manual measurement. includes: 1 *Car MP3 Player "