I've had A11 Master Emerald for 2 weeks. Literally zero complaints. It's very $$ worth. I moved into a new apartment with parquet floors of 1300 square meters. Feet and tiles and previously used a Dyson V7 tier. It was a bit of a gamble when I ordered this as there weren't any reviews at the time, but I'm totally impressed. A11 comes with 2 batteries but fully charged. soft roller nozzle. The LED light is a really nice feature. something even the $600 Dyson doesn't have. and it makes me take quick peeks at the area more often because the light is bright and angled to show you the dirt on the floor. I liked that the soft roller comes bundled with the A11 and Dyson charges $90 for it. The carpet nozzle works just as well as it does on wooden floors. In fact, it's just nice that the A11 comes with all the attachments you could possibly need without having to pay extra - thoughtful ones like the car's bendable crevice tool or the polygon tube that makes using other attachments more efficient. .Use this for dust removal, especially for quick cleaning of shelves or around electronics and cables, everything looks cleaner. Nozzles with a maximum power mode are ideal for this. At both the normal and maximum settings, the A11 is undoubtedly quieter than the Dyson V7 I've used or my sister's Dyson V8. Obviously, I didn't realize how loud the V7 was until I picked up the Tineco for comparison. The build quality of the A11 is good. It feels sturdy but not heavy where it's tedious to use. I don't expect customer service but I take my hat off to them. They immediately emailed me thanking me for my purchase and asked for a review. I was reading a few other reviews when they came up. A few notes on the "small" junk. I think if you're vacuuming a whole box of cereal or have a shaggy St. Bernard and haven't swept a week, that could be a problem. I empty the bin after steam seeps through my floors and dust and hair fly around, but there's no loss of suction. This really is a quality product even if you don't consider the price and the alternatives. If you somehow find a reason to return this I'm sure customer service will be able to help. Overall, A11 is highly recommended. I'm a 30 year old guy who is not ashamed that I like to use it to keep my apartment clean
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