dual usb bluetooth handscar kit wireless bluetooth fm transmitter mini mp3 player support tf 40jun10

dual usb bluetooth handscar kit charger wireless bluetooth fm transmitter mini mp3 player support tf 40jun10 product parameters: screen: led screen bluetooth version: 4.2+erd usb output: 3.4a memory card type: tf card support tf card: 32gb power: dc12-24v support file type: mp3 / wma bit rate: 64-320kbps fm frequency range: 87.5-108mhz signal to noise ratio: 85db (fm: 65db) harmonic distortion: 0.05% fm: 0.1%) working temperature: 10c-70c applicable models: dc12v -24v unive...