Advantage: 3-in-3 selfie stick monopod & remote shutter & cell phone holder?? retractable wire?? battery free?? plug and play?? pocket size</br>Battery Free: Just Plug in and snap. Plug and play. No need battery or worry about recharging</br>Great Convenience: Retractable 3.5mm jack cable?? easy to plug in?? monopod extendable up to 31 inch?? 272-degree adjustable head allowing random rotation of shooting angle. Suitable for selfies or above-crowd shots</br>Compatible with ALL Smartphones: adjust