Car aux bluetooth receiver

Car aux bluetooth receiver
Bluetooth protocol 5.0
How to use car hands-free
Whether single or double ears
Color aptX, standard
Product function: provide wireless signal
Bluetooth protocol: AVRCP, A2DP, HFP, HSP
Output interface: 3.5mm audio
Signal to noise ratio: >90dB
Charging time: 2H
Transmission method: HiFi level, support SBC, AAC, aptX", aptxM LL