【EXTENDABLE SOLID BASE】The upgraded adjustable base of this cup holder extends from 60-95mm to 6.9mm, fits most round cup holders. Meanwhile, the heavy-duty base is designed with three non-slip silico more→ne extensions that form a triangular stabilizing structure, the cup tablet holder will lock securely to your cup holder for map viewing, phone calls and hassle-free use. Rechargeable, fits most cars, SUVs, trucks 【360° Swivel Clamp | Height Adjustable】Since the swivel ball is the clamp of this tablet car mount, it can be rotated 360 degrees so you can place your device horizontally and vertically. The telescoping sturdy arm extends up to 10 inches in height with a 360-degree adjustable