SizeDimension 95*45*35mmHousing MaterialPlastic + metalMCUAC6926ADisplay0.9 inch digital LCD (Display Car Battery Voltage, FM frequency, Music play list)Knob button5 functions knob button: FM Frequency Setting, Previous, Next, Volume adjusting, Call AnswerFunctionsInput power:DC12-24V3 USB output simultaneously supported2Reversible USB port (Type-A)Output:
1*USB: 5V1A
1* 5V USB:5V2A
1*fast charging USB: Support BC1.2, Apple, Samsung fast charging. Support Qualcomm QC2.0 and QC3.0, MTK PE1.1/PE2.0, Huawei FCP, Samsung AFC,Spreadtrum SFCP.Total output current:4.8A(MAX)Over-current, over-voltage, shortcut, and over-temperature protection. Support automatic recoverySmart Fast charging mode matchingCar battery Voltage check: Car Battery Voltage voice indication and display.AudioAUX audio output: 3.5MM/Stereo 2.0U-disk and SD-Card reader music supported(MAX 32GB)Audio format:MP3 APE FLAC WAV WMAAudio Decode: 16BIT /8K/12K/11.025/16K/22.05K/24K/32K/44.1K/48KHZPower off resume playing supportedFM transmitting76-108MHZTransmitting Distance:5MBluetoothBluetooth 5.0 compatible with 4.1/4.0/2.1+edrBluetooth Audio playingBluetooth Hands-free phone callPhone Call distance: 1.5MAudio receiving distance: 10M
Remark: Fast charging function is an Option, if don't need it, the cost will down.