These accessories allows you to mount your phone or camera to any Ciro ball stud. Has bolt patterns and stud mounts for most common phone and camera mounts. When you do not want to worry about draining your phone battery while riding again, we suggest the Ciro Premium Smartphone mount with its built in 1.3 amp USB plug, so you can charge as you ride using the USB cable from your device. The CyberCharger is best for you when you have a Smartphone that supports wireless charging. Mk II CyberChargers feature a slim arm design that allows additional clearance for the buttons on certain models of smartphones. An upgrade kit to change a Mk I into Mk II is also available. The Budget and Premium holders fit devices from 2 1/8" to 3 1/2" (54 to 89mm) wide, the CyberCharger takes devices from 2 3/8" to 4" (60 to 102mm) wide. For action cameras we have a specific adapter available.