Replacing the telescopic extension rod allows for smoother adjustment without jamming, quickly switching between lengths, easily reaching high places and corners, and cleaning without dead spots more conveniently. Replacing the vacuum cleaner extension rod ensures a tight connection with no looseness, making pushing and pulling during cleaning smoother, without shaking that disrupts the cleaning rhythm. Replacing the multi-section telescopic tube allows switching cleaning scenarios without repeatedly adjusting accessories. Replacing the vacuum cleaner extension rod provides a neat structure, reduces resistance when moving and turning, making it more flexible to maneuver among furniture, and improves cleaning efficiency. Compatible for Tineco， S5 COMBO, Manufacturer: SANdi chen