United StatesFlume is an American company founded after California's 2014 drought to make household water use visible. Its single product line is the Flume smart water monitor, a strap-on sensor that reads the existing residential water meter magnetically and relays usage to a Wi-Fi bridge indoors, so it needs no plumbing work. The app reports real-time consumption by fixture, sets budgets, and sends leak alerts for both catastrophic bursts and slow drips.
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Sonos is a US audio company known for its multi-room wireless speakers and soundbars that sync music throughout the home. Its speakers support major streaming services, voice assistants and AirPlay, and are controlled through the Sonos app. While focused on sound, Sonos integrates with smart home platforms for voice control and is a benchmark brand for whole-home audio.
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