High-concerned chemicalNoneSupport Memory CardNoSupport Apt-xNoSupport AACNoModel Number50M Wireless Audio Transmitter and ReceiverPackageNoFeatureNoneHigh Definition SupportNoneContentAUDIOWIFI Standard2.4GWireless TypeWiFiSound TrackSingleInterface3.5 MMBrand NameNsendatoOriginMainland 2.4G technology for high-definition sound quality without delay transmissionExternal antenna, better transmission effectAutomatic connection when power onSupport RCA & 3.5mm port InputSupport RCA & 3.5mm port OutputReceiver can drive headphonesSupport two-way volume controlWide range of power interface Type-c power supplyProduct Parameter:Product Name: Wireless Audio Transmitter and ReceiverShell Material: ABSWireless Distance: 50M for open spaceInterface type: 3.5mm headphone port / RCA double lotus portFeatures:free APP,free driver,no software needed,plug & play,support one to many Charge Power Cable