Description: Stylish 7-color atmosphere LED light display on panel shell, and with compact design, suitable for most models, it supports tablet PC, smart phone, MP3, MP4, driving recorder and other USB port devices to charge in the car. Hands-free call: Echo cancellation and noise processing ensure safer driving, and just a short press to answer or hang up the call. Support music playback, the FM frequency point is displayed on the power-on screen, and the FM frequency point of the car is adjusted to match it. The music in the mobile phone can be wireless through . It supports TF card/U disk playback and MP3/WMA format music. 3.1A Dual USB charger plus PD Type-C charger, fast charging speed up to 80% within a short time, and it can charge two terminals at the same time. Intelligent automotive voltage detection protects your electronic equipment from damage. LED digital screen display make car battery voltage clear to see. Specification: Material: ABS Plastic Size: 134x65x41mm/5.28x2.56x1.6inch Interface: Dual USB port Output: Type C port Screen: LED screen Power Supply Mode: Cigarette lighter power supply USB Output: DC 5V/3.1A Support Music Type: MP3/WMA Function: USB, TF card, U disk Technology: , FM transmission Package Includes: 1 x Car Charger 1 x Instruction book Note: Transition: 1cm=10mm=0.39inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!