SwitzerlandIQAir is a Swiss air quality company known for its high-end air purifiers and the AirVisual line of air quality monitors. Its monitors track PM2.5, CO2 and other metrics and feed a global air quality network and app. IQAir appeals to users who want professional-grade air purification and monitoring data.
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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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