Knox Showerhead & (Waterproof) Music Jet Bluetooth Wireless Music/Phone Speaker (with White Rim) Dual-channel Bluetooth technology MusicJet Syncs with Bluetooth*-enabled devices including smart phones, MP3 players, tablets and lapt The latest audio algorithms, for the best call and music quality Simulated dual microphone noise reduction, Button on MusicJet to accept calls and speak 88 angled nozzels to deliver a full spray coverage