Wireless bluetooth receiver $ 25.89 Function: Support music Bluetooth protocol: 5.0 Usage: Car hands-free Single or dual ear: bilateral stereo Product name: Bluetooth receiver 5.0 Product function: Provide wireless signal Transmission method: HiFi level, support SBC, AAC, aptXTM, aptTM LL Bluetooth protocol: AVRCP, A2DP, HFP, HSP Output interface: 3.5mm/2RCA Signal to noise ratio:> 90dB Total harmonic distortion: <0.1% Transmission distance: 10 meters Battery capacity: no built-in battery Power supply interface: Micro USB interface one year warranty Packing: fashion color box Packing size: 14214237mm A: Bluetooth 5.0 [standard model] B: Bluetooth 5.0 [aptX models] C: Bluetooth 5.0 [aptX models] + 2RCA audio cable package