Bluetooth shutter Black one size

Farthest remote control distance of 10 meters, Instructions : 1: Turn on the remote control switch, the remote control light flashes. 2: Turn on the phone Bluetooth, search for new devices, and then connect. 3: Pair and connect to open the camera after the camera software. 4: Apple phone can be directly press the remote control shutter control camera. 5: Andrews phone part can also be directly by the shutter control camera.