Polk Omni S2R Rechargeable Compact Wireless Music Streaming Speaker with WiFi (Discontinued by Manufacturer) Take the S2R on the road with up to 6 hours of battery and Bluetooth music streaming included. The S2R is the perfect companion to take your music wherever you go Room filling sound from an ultra-compact speaker. Twin 2 full range drivers and passive bass radiators fill small to medium spaces with amazing audio performance Use your WiFi network to stream music from your phone, tablet or computer with the Free Polk Omni App. Stream Amazon Music, Pandora, Spotify, iHeartRadio, or your own music collection Splash and humidity resistant with a tough metal grille, this speaker can take on the great outdoors. Extended range WiFi antenna and Bluetooth streaming give you coverage wherever you go Music in every room. Start with one speaker and add music to more rooms with the Polk Omni Collection of speakers. Stream the same music to every room or stream different songs to different rooms