Product features: * For IOS and Android system* Built-in shutter, No need charging, No need external battery* No need remote control, No need Bluetooth pairing.* Selfie Stick is designed to make it easier to selfie. It's Plug-and-Play, hassle free. It doesn't require a battery or the use of any companion apps. Just plug it into audio port and you're ready to snap pixes.How to Use* Principle: using the headphone cable to touch off the photo button.* Be Attention: Before buying this product, please confirm the volume key of your phone can take pictures or set 'volume ley' to 'take pictures'.* Apply to IOS 5.0 above system, android 4.2 above system.* For IOS system, you don't need to set up.* For android system, you may set: "open your phone camera"--"setting"--"volume key"--set the volume key to "take pictures".* Some Android phone can't be set, you can download free App like "camera 360" to take pictures. กดเพื่อดู Line: xxxxxTel: กดเพื่อดูเบอร์โทร xxxxxx565www.hellogopro.comอ่านเพิ่มเติม