Pen cap can be used even if the product is not Function: Draw, write, note, contactClip for carrying on the casePure copper pen tip with protective film on the tip, not to hurt the screenCompatible use for: Android phones, phones, various of capacitive screen devicesEffective distance: 1.6mm from the penWorking time: 8-10 hoursStandard accessories: USB chargerBattery specification: 0.518w 3.7v 140mahProduct weight:26 gLight introduction: press the button once, the LED blue light is on, to use; press the button again, shut down, LED light off; LED red light is on when charging, LED light is off when the battery is fully , or LED light is oncolour:WhiteMaterial:metalsize:1.45 x 8.9 x 145mmPackage Contents:1 x pen1 x Mirco-USB charging cableOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.