The wild and rugged outdoor tough guy style design is more in line with the European and American road style driving experience 2 metal scroll wheels allow you to customize the DSP music, adding your own exclusive sounds to your car's music atmosphere Equipped with an electret microphone to enhance the sound pickup effect in high-speed cars, free your hands, communicate easily, and avoid violating traffic safety laws The unique sound-picking atmosphere light design has gorgeous effects. It follows the rhythm of the music melody when playing music, and responds to the rhythm of the human voice when speaking Wirelessly stream calls and audio to your car FM stereo system via Bluetooth Automatically switch from music streaming to hands-free mode when answering a call Rhythmic ambient lights that respond to the rhythm of music. High-definition, delay-free stereo calls improve the effect of remote calls Supports Siri and for Google Assistantd voice assistant functions, and can be shaken to wake up with the touch of the knob switch Detect and display the car battery voltage when turned on Supports mainstream fast charging port Type-C PD3.0 (30W) fast charging to meet the needs of timely recharging of mobile phones, pads, recorders, digital devices, etc. High-quality Bluetooth chip (lower power consumption, more stable) Wide voltage design: The maximum range is compatible with the automotive voltage range of 9-28V The built-in independent noise reduction chip can isolate most of the FM background noise and road noise during high-speed driving, allowing users to enjoy high-quality calls and music Specification: Input: DC12-24V USB-A output: 5V/2.4A (12W) Type-C output: 5V/3A, 9V/3A, 12V/2.5A (PD30W) Total power: 42W (Max.) Working temperature: 0℃-60℃(32℉-140℉) Protection measures: overcurrent protection, overload protection, overheating protection, overvoltage protection, short circuit protection Bluetooth version: 5.3 FM frequency: 87.5-108.0MHz Supported music formats: MP3, WMA, APE, FLAC, WAV Bluetooth distance: 10m FM transmitting distance: 3m Bluetooth protocol: AVRCP, HFP, A2DP Product weight: 84.5g Product material: ABS+PC