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The Cooper Bliss is a cordless, waterless essential oil diffuser that runs pure undiluted oil through a cold-air nebulizer instead of water, so the scent is stronger and there is no tank to fill or clean. It runs up to 10 hours on a 2000mAh battery, covers about 350 sq ft, and has low/mid/high mist settings with a 1-4 hour auto shut-off timer. The kit includes nozzles for 5ml, 10ml and 15ml bottles plus a 2m USB-C cable, so most standard oil bottles fit directly. It suits people who want scent in a bathroom, bedroom, office or car without cords or water, but its 3.2-star average shows buyers have real complaints, so it is a convenience pick rather than a proven workhorse.
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Ratings average 3.2 out of 5 from 106 buyers, which points to a split reception rather than broad praise. The waterless, cordless format and strong scent are the draws; durability and reliability are the recurring worries.
The Cooper Bliss is a waterless diffuser for essential oils. It uses pure, undiluted oil, with no water added, and atomizes it into a mist for a stronger scent. It is compact and portable, and it fits small spaces such as bathrooms, bedrooms, workspaces and cars.
The casing is 100% bio-based wood fiber with a magnetic metal cover. A 2000mAh rechargeable battery gives up to 10 hours of cordless use. Operation is quiet, at 27dB.
A touchscreen panel controls the diffuser. It has three mist settings (low, mid and high) and an auto shut-off timer of 1, 2, 3 or 4 hours. It also provides atmospheric lighting. The included nozzles let it fit 5ml, 10ml and 15ml essential oil bottles.
