1、Support wireless connection to the speaker via Wifi, bluetooth 0, for Airplay, for DLNA and for UPnP. 2、For Airplay audio module supports multi room audio and bluetooth 0 audio, upgrading home audio to wireless Airplay. 3、Support to change SSID and wireless Wifi device name through mobile application. 4、You can DIY a unique speaker, enjoy music with your family, and make life more interesting. 5、Can be used as a USB DAC, you can connect it to a computer and smoothly transmit PC digital audio. 1 x Smart Receiving Board2 x Power Cable1 x Manual Item Type: Smart Audio ReceiverModel: Q1Material: PCBBluetooth: V 5.0 SBC / AACInput Voltagecurrent: DC 5/1AAudio Output: 3.5mm Audio Cable / 4-Pin ConnectorFrequency Response: 20Hz-20kHzSignal To Noise Ratio: 100dBMusic Format: FLAC, MP3, AAC, AAC+, ALAC, APE, WAVProtocol: for AirPlay, for DLNA, for UPnP, for Spotify Connect, for QplayNAS Support: NAS That Supports DLNA