Coway is a South Korean home appliance manufacturer based in Seoul, best known outside Korea for its Airmega air purifiers, along with water purifiers and bidets. Its purifiers pair a washable pre-filter with activated carbon and True HEPA media, report air quality through a coloured indicator ring and the IoCare app, and support Amazon Alexa and Google Home. Most Airmega models are AHAM Verifide and Energy Star certified.
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Hong KongSofaBaton makes universal remote controls that consolidate a living room's devices into one handset. The range runs from the entry-level U1 and U2 up to the X1 and X1S, which pair the remote with a hub so it can reach devices over infrared, Bluetooth and Wi-Fi rather than line-of-sight alone. Remotes are configured from a phone app against a large device database, with customizable keys and one-touch activity macros that switch several devices at once.
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