The Sonos Play 3 is a rectangular-shaped smart speaker made of plastic in black color. It is compatible with Sonos S2 and has wireless connectivity via Wi-Fi. The speaker supports Dolby Digital Plus, Dolby Atmos, and Dolby Digital surround sound formats. It has an impedance of 8 Ohms and features WiFi. The Sonos Play 3 is a wireless network speaker that can be used with a variety of devices.