For taking photos of yourself， good for travelers and those enjoy selfie.The selfie stick and bluetooth shutter are separate， more covenient if you only need to use one part of them.The stick: 22-107cm stretch， clamp: 6-8.5cm stretch. Bluetooth working distance: within 10 meters.Compatible with android systerm(over 4.2.2) and ios systerm， not compatible with windows systerm， pls notice that! Package Included:1 X Selife Stick