USB3.1A, battery voltage detection Supports BT music, TF card, and U disk playback, supports BT hands-free calling Supports power-off memory function Charges two mobile phones simultaneously, supports charging while playing music Noise cancellation function with built-in noise cancellation circuit for clearer call audio USB output: 3.1A Memory card type: U disk Supports U disk capacity: up to 32GB Power supply: DC12-24V Supported file types: 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: 0-60C Compatible with DC12V-24V vehicles Color: Gold 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 to vary slightly from the real thing. Measurement may vary by +/- 1-3cm.