EC Technology 4-Section Extendable Bluetooth Selfie-portrait Stick with Bluetooth Remote Shutter for Gopro and Smartphones-Black 4-section extensible Bluetooth selfie stick (29cm - 95cm) ajusted by lock catch, material of aluminum alloy makes it very light and solid. The smartphone holder requires a large between 5.7 - 8.5cm. 360 degrees rotating ball head for multiple angles positions. Compatible with Bluetooth 3.0 or higher version, perfect for smartphones with systems IOS 5.0 or higher, Android 4.2.2 or higher. 1/4 '' universal standard screw for digital cameras, SLR and GoPro(GoPro rotary union is provided) Bluetooth Controller: design removable, range up to 10 meters, with it you can take selfies from distance.