⢠Interface: high-speed USB2.0 ⢠USB Output :5V / 3.1A (Smart IC), 5V / 1A ⢠Screen: LED screen ⢠Support TF card / U disk capacity: ⤠32GB ⢠Power supply: DC12-24V ⢠Supported file types: MP3 / WMA / APE / FLAC / WAV ⢠Operating current: 50-100mA DC12V ⢠Bit rate: 64-320kbps ⢠FM frequency range: 87.5-108MHz ⢠Signal to noise ratio: 85db (FM: 65db) ⢠Harmonic distortion: <0.05% FM: <0.1%) ⢠Operating temperature: 0 -60 ⢠Transmission distance <5 m ⢠Weight: about 30 grams ⢠Size: 73 x 47 x 39 mm  Package includes: 1 x Handsfree Car Charger Â