CONVENIENT AND EASY OPERATION: Just by pushing the on/off of the remote, open your phone's Bluetooth function fine the "ab shutter3" from the list, and select to connect. Perfect for taking selfies and steady tripod shots.WIRELESS BLUETOOTH CONNECTION - Requires just the click of a button without your device in-hand to control your phone's shutterWORKS FROM A DISTANCE - Hands-free shutter control works up to 50 feet from your device for the perfect scan or selfie.How to use: Turn on the on/off button on the remote, open the Bluetooth function on the device, find the "ab shutter 3" from the list, select to pair, and finish the connection. and open your device camera to start taking photos/videos.Notes: 1. If the remote control cannot take photos and only adjusts the volume of the phone, please change the mobile phone settings and change the shutter key to the volume key. -- 2. The remote will change to sleep mode for power saving if it is not operated for 3 minutes, click the camera button and wait for two seconds to wake up.