Gomadic Air Vent Clip Based Cradle Holder Car / Auto Mount suitable for the Sandisk Sansa c250 Gomadic Holder is highly adjustable with sliding/rotating mechanisms on side and bottom ensuring easy access to all Sandisk Sansa c250 buttons and controls. Spring loaded vent clips designed to accommodate both horizontal and vertical oriented air vent systems. A vent mounted cradle base for use with the Sandisk Sansa c250 device. Holder is designed to adjust to accommodate the exact required dimensions (78.94 x 32.55 x 15.24 mm). Specifications: Holder Base: (2.5 X 4.0 inches in closed position. Highly expandable), Vent Mount (2.0 x 2.5 inches), Weight (Base 4oz., Mount 2oz.) Vent mounting system is covered by Gomadic Lifetime Warranty.