About Product:"Product Advantages"PDA or smartphone +GPS positioning navigation must be in-vehicle bracket, fixture width can be adjusted freely, minimum 50MM, maximum 85MM, also can be placed in horizontal screen suitable for GPS navigation.Use a super strong suction cup to stabilize the windshieldAdopt hydraulic force design, freely adjust suction of suckerTwo-layer strengthening of the silicone clamp, to prevent the fall of love machine forward, can also be adjusted up and down, convenient for use in various mobile phonesGently press the arms open easily, quickly remove the machineUse sticky buckle, will not block the front line of sight.