Tab-Master 200  Universal Headrest Mounting System (Self-Install) for All Tablets Compatible with all tablets and e-readers (with/without case), User friendly and simple self-installation (no tools required) Compatible with both driver and passenger seats , Adjustable mounting base tabs enable universal tablet fit Capable of 180 degrees rotation Supports single-user or multi-user operation for Rear-Seat Use , Single unit weight: 1.65 lbs. Compatible with most brands and models including: Apple iPad 2 / iPad, Samsung Galaxy Tab, Blackberry Playbook, Motorola Xoom, Compatible with most brands and models including: Amazon Kindle, Barnes & Noble Nook, + many others Mounting arm extends to 17 1/2 inches for multi-user operation