This selfie sticks is made from plastic and stainless steel the extension pole. No batteries or APP required. Simply plug the 3.5mm audio jack into your smartphone and press the button located on the handle. Extendable phone holder from 2 1/8" to 3 3/8", stick from 9" to 42 1/2". Packaged in a white box, this product is great for seminars, conventions, wedding receptions, or team events. With a custom imprint of your company name, this stick will help elevate your brand recognition!