Features: - give your speaker wireless streaming ability - send music to the receiver from your smartphone - built-in Wi-Fi receives streaming - add wireless ability to connected speakers - compatible with all Wi-Fi enabled devices - (iPhone, Android, smartphone, tablet, computer, Etc.) - aux (3.5mm) input & output - ability to connect to external devices - download the free app and take control - easily stream internet radio stations like Pandora & Spotify what's in the box: - 3.5mm audio cable - USB connection cable - wall power adapter technical specs: - power connector: Micro USB - Ethernet (RJ-45) port for hard-wired connection - NAS (network attached storage) support - wireless support: airplay, Mira cast, DLNA - wifi standard: IEEE802.11B, IEEE802.11G, IEEE802.11N standard - audio format support: MP3, WAV, AAC, FLAC & more - power input: Mini USB 5V - dimensions: 4.5'' x 3.7'' x 0.8''