Don't need to charge. iphone can use directly. For the android phones，if you can not use it directly， you have to set your phone's camera. (the camera's volume key zoom key set to camera button)Specifications: Don't need to charge Net weight:130g Length of extension:60cm or 80cm Main material:steel Designed for: selfie by mobile phone Flex section:7 Support system >=Android4.22 >=iOS5.01 Package include: 1 X Monopod 1 X Mobile phone ClipHow can I take photo1. Connect the audio cable with the mobile phone2. Press the button on the stick to take photos