Meet the Flipp: a wireless gadget that works with Sonos and Spotify Connect speakers to let you control the volume of your music and change the songs. Flipp has a volume and control side. You can also click on the device to play/pause.
More gadgets like this: here
Flipp doesn’t have any password, so anyone who has it can control the music. You can use multiple remotes and assign them to specific or specific speakers. Expected to ship in November.
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