Compatible With Ios And Android Devices. Pair Your Smartphone By Bluetooth, Place Your Smartphone In The Clamp, Extend And Press The Button To Selfie! Selfie On Stick Bluetooth Extends From 9" To 40". Removable Smartphone Clamp Adjusts From 2.4" To 3.4" - Perfect For Most Mobile Phones! Remove Clamp To Attach A Traditional Camera To The Universal 1/4" Screw.