B9 Smart Digital Display Dual USB Bluetooth Car Charger with Hands free Call Function Gold

1 Smart fast charging support dual USB charging at the same time2 Support Bluetooth music TF card U disk playback support Bluetooth hands free communication3 LED screen can display frequency voltage display4 Reinforced anti slip pad design the car charger fits closely with the cigarette hole and the shockproof effect is good5 Material ABS PC electronic components6 Product features one button hands free calling Bluetooth music playback dual USB 3A charging TF card U disk music playback FM FM transmission7 Using voltage DC12 24V8 Output current 3A9 Bluetooth version 5 010 FM frequency 87 5 108MHz11 Audio format MP3 WAM12 Signal to noise ratio 85db FM 65db 13 Bluetooth distance 5 meters14 FM transmission distance 5 meters15 Dimensions 8 x 4 5 x 1 5 cm16 Product net weight 40 grams