Come and see our amazing products. This touch pen is made of aluminum alloy (pen body). Built in lithium battery provides 10-12 hours of active use and recharges by Micro USB cable (included). Charging condition: 5V-1A. It will cut off power automaticly after 30 minutes of no use. Stand-Alone active stylus design. NO Bluetooth or APP required. Works with most capacitive touch screen. It has a 1/2" super fine tip gives you the accuracy you need and provides superior control and traction against tablet screens. Pls confirm further with us if any query about packing info, inventory status and time schedule.