1- Wireless Control - Operational up to 30 feet (10m), the bluetooth shutter can help you get the shot you want, from the angle you want, at the moment you want. Never fail to capture some memorable photos and videos. 2- Widely Compatible - Connected via Bluetooth, compatible with android 4.2.2 OS and up / apple iOS 6.0 and up, option to use in-built app or google camera 360 app. Works with almost all smartphones. 3 -Long Battery Life - Using a standard button cell battery (CR2032) and no charging ever required. With inherent minimum power consumption by the remote, you can expect approx. 6 months of solid snapping. 4 - "Pocket Size & Wrist Strap Measuring just 1.97 x 1.18 in and smaller than a pack of gum, it can easily fit in your pocket take everywhere. And the adjustable wrist strap is the perfect accessory to attach to your keychain so you never miss a shot with your phone."