Compatible with: PartyBox 310, PartyBox 110, PartyBox 710, PartyBox Encore Essential, PartyBox Encore/ Partybox Stage 320/Partybox Club 120 Not compatible with: PartyBox 100/ 200/ 300/ 1000/ On-The-Go App features: - Connect compatible speakers wirelessly - Personalize and control your speaker from the app - Get software updates and product support