Wide Compatibility: The flexible adapter is compatible with Dyson V7, V8, V10, V11 and extra large vacuum cleaners. Bottom adapter: High quality ABS material, one-click bending penetrates deep into the top of the sofa, bed and cabinet, making it easy to clean dirt and dust. Unique design: Up to 1 meter deep and 7 cm deep. Easily clean the underside of sofas and beds without bending over, eliminating the pain of bending over Multi-angle rotation: Press and hold the red button. Multi-angle rotation can be extended up to 180 degrees. This allows the vacuum cleaner to work at different cleaning angles. Cleaning is easier Easy to install: It is very easy to replace the adapter with a simple plug and play operation, improving cleaning efficiency and convenience. Reaches under furniture, into nooks and crannies for added functionality