USB3.1A, battery voltage detection Support BT music/TF card/U disk playback, support BT hands-free call Support power off memory function 2 mobile phones charge at the same time, support charging while listening to song Noise cancellation function, built-in noise cancellation circuit, make the call sound clearer USB output: 3.1A Memory card type: U disk Support U disk capacity: less than equal 32GB Power supply: DC12-24V Support file type: MP3/WMA/APE/FLAC FM frequency range: 87.5-108MHz Signal to noise ratio: 85db (FM: 65db) Harmonic distortion: 0.05% FM: 0.1%) Working temperature: 0-60 Suitable models: DC12V -24V car general Colour:A:Silver Material:plastic Package Contents: 1 x Car MP3 Player Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.