Compatible with 7"-13" tablets, Microsoft Surface(R) Pro 4; iPad Pro(R) 9.7, iPad(R) Gen. 6 (2018), iPad(R) Gen. 5 (2017), iPad Pro(R) 10.5/12.9, iPad mini(TM) 4, iPad mini(TM) 1-3, iPad Air(R) 1/2, iPad(R) 2-4, 12.9" iPad Pro(R) (2018), 11" iPad Pro(R) (2018), etc. ; Ultraflexible, sturdy gooseneck; Tilting 360? rotating tablet holder; Attachable battery-pack cradle; Lock & key security mechanism with 2 keys; 5 optional swivel casters;