3500mAh Extended Battery For Sprint HTC EVO 3D + Extended Battery Case Cover + Universal Touch Screen Stylus Pen 3500mAh Extended Battery For Sprint HTC EVO 3D This battery is twice the size of OEM and give you longer battery life Black Battery Cover For Extended Battery (Extended Battery need extended battery cover to accomodiate!!) Honey_K Selection Universal Touch Screen Stylus Pen (Keep a PDA stylus on hand so you're always ready to jot a note or tap the touch screen without using your finger.) This Battery Kit Compatible with Sprint HTC EVO 3D