Remote Free Audio Cable Selfie Stick - Extendable Wireless Cable Control Self-portrait Monopod with Mount Holder for Iphone 6 6plus 5 4 Samsung Galaxy S4, S2, Note 2, Note 3 .Charge free. However, the traditional Bluetooth need to charge, and using time of battery is limited that will be the bad influence for your long-time travel and selfie .No need to connect Bluetooth, only using the 3.5mm Audio to take photoes .Plug and play. Compatible for android and ios device. For android system above 4.2.2, if still not work, download the camera 360. For ios system above iOS 5.0.1, no need any app, plug into earphone jack and take photos. So far, it is the simplest monopod in market. Extended Length : 100.5CM