Car Bluetooth Radio FM Transmitter Adapter Mp3 Player Hands Free Dual USB Charger Condition: Item Type: Car Hands-Free Player Material: ABS Color: As Pictures Shown Suitable for all types of vehicles The perfect combination of Bluetooth hands-free and private calls Put in the charging stand, support hands-free calling or mobile phone music playback while charging Support Bluetooth private answering function Bluetooth Specification: V5.0 Bluetooth protocol Support protocols A2DP, AVRCP, HFP, HSP Dual USB output: supprot for QC3.0 + 2.4A / 5 car charger Support D2AP stereo music playback Support audio output function Support full frequency point transmission 87.5MHZ-108MHZ Support digital tube display Support two mobile phone connection