PRS USB Rechargeable Clip On Black Headstock Tuner with No Slip Rubber ClipTune untethered on stage, in the studio, or on the road with the PRS USB Rechargeable Clip On Headstock Tuner in Black. The PRS Clip On Tuner is easy to use, easy to transport, stunningly accurate, and wholly reliable. A single charge on this tuner will last weeks, and, with the provided USB cable, recharging is simple without the need for batteries. The no slip clip anchors a 360 degree rotating arm for guaranteed readability. And, best of all, the