Brand Duux Color: White. Electric Fan Design Floor Fan Power Source Power Cable Modern Style Product Dimensions 34P x 33W x 34H centimeters Room Type Kid's Room, Bedroom, Living Room Special Feature Oscillating Recommended Product Uses Ventilation Attachment Type: Standalone Powerful and quiet Whisper Flex is very powerful and extremely quiet. The clever structure of the fan's double blades makes it up to 7 times more powerful than conventional fans. In addition, the fan is very quiet with a noise level of 13 dB. A real all-rounder, the Whisper Flex can be adjusted from 51 cm (table) to 88 cm (leg). The separately available battery turns the Whisper Flex into a portable fan and provides it with up to 12 hours of battery life.