•QC 3.0 20W Fast Charging: Supports multiple fast charging protocols,simultaneously charging 2 devices •Bluetooth-compatible 5.3 Technology: Bluetooth-compatible 5.3 will bring you a faster,more stable and smarter connection with less sound quality loss,uninterrupted calls,and a music experience •Bluetooth-compatible Hands-free Call: Built-in microphone for clear and fluent calls One click hands-free,making your driving more safer •7-Color LED Light: The rainbow light design of the outer circle creates a new atmosphere to the car's interior space,making driving more fun •Support Read U Disk: Plug and play,HD sound quality,support power-off memory function Specifications: •Model: C37 •Working voltage: DC12-24V •Size: 4.0x3.5x8.0cm •USB output: QC3.0 (20W) •Applicable models: 10V-32V •Applicable products: Suitable for charging household cars,mobile phones,tablets,digital cameras,etc. Package included: •1 x Car MP3 Audio Charger •1 x English User Manual •Other items not included