Designed to work with devices with capacitive touchscreen devices, such as Apple iPhone, iPad, Samsung Galaxy S4, Galaxy Tab, and more, the IOGEAR Accu-Tip Stylus features a 4.5 mm touchpoint to provide an accurate response. The low friciton touchpoint tip glides smoothly across the surface of your display without leaving marks. The metal body construction provides balanced weight and a solid feel for comfortable use. The Acc-Tip stylus has a variety of uses, from students taking class notes to artists creating digital paintings. Merchants or bankers can even use it to receive a verifiable electronic signatures. You can also use the Acc-Tip stylus when cold and inclement weather makes using direct finger contact on the touchscreen difficult.