Ouwave Aroma Company is based in China and lists air freshening devices on Global Trade Plaza. Its current listing is a wall plug-in scent aroma diffuser for home use, model OY-2, which fits standard electric outlets and uses two-fluid atomization technology to disperse fragrance particles evenly. The diffuser is made of plastic, measures 119 x 65 x 152 mm, and has a 130 ml essential oil capacity. It operates on 110–220 V at 1.3 W, produces 30 dB of sound, and includes a built-in human body induction mode with multiple working intensity levels for adjustable fragrance concentration.