Macally Adjustable Car Seat Headrest Mount and Holder for Apple iPad Air / Mini, Samsung Galaxy Tab, Kindle Fire, Nintendo Switch, and 7" to 10" Tablets (HRMOUNT) Hands free devices use for back seat passengers Designed with support stabilizer for bumpy roads Keep devices eye level to avoid neck and arm strain for more comfortable viewing experience Keep your kids entertained on long road trips Mounting clamps can be securely attached to headrest post 2 inches to 9 inches wide Adjustable arm extension to fit a wide range of car seats Rotatable holder for vertical and horizontal view No tools required