['very loud', 'weird noise', 'loud', 'SO LOUD', 'Loud motor', 'loud', 'Extremely loud', 'obnoxiously loud', 'a little noisier', 'loud and unreliable for heavy long duration usage', 'Horribly loud', 'Loud obnoxious noise', 'Noisy', 'ineffective', 'making a weird noise', 'loud', 'el aparato suena como si tuviera aÃ±os', 'loud', 'loud', 'very loud', 'Loud', 'very noisy', 'very loud, definitely could not be on a phone call or video chat while pumping, irritating overall to listen to while pumping', 'sounds annoying', 'much louder than the Spectra']
Users frequently complained about the loud and obnoxious noise produced by the product.
Some users found the noise to be extremely loud and irritating.
There were mentions of weird or annoying sounds coming from the device.
The noise level was disruptive and made it difficult to use the product during phone calls or video chats.
Overall, the loud and disruptive noise was a common issue raised by users.