iGadgitz 2nd Generation Red Wireless Selfie Bluetooth Remote Shutter with Zoom Function for Samsung Galaxy S3 S4 NOTE 1 2 3 4 and Apple iOS Smartphones and Tablets Simple, easy set up Second generation Bluetooth Remote Shutter with zoom activation. Supplied with a CR2032 battery. Weighs just 12g and small enough for your pocket, or adding to a key ring. Range of up to 10 meters (30 ft) Samsung Galaxy S3 S4 & NOTE 1 2 3 4 requires no App to use the take picture & zoom buttons. Other Android devices can be used to take pictures but other functionalities may not be available. Within the App you can even toggle between front and rear camera on your device (Apple iOS only). Pair, Open App and you are ready to take those memorable photos & Video.