Description: Compatible with:Android 4.2.2 OS or newer and IOS 6.0 or newer Download the free app from Google Play or the APP Store,pair your device with 1 shutter and enjoy taking great photos To make it even better,you can also use a mini stand (NOT included) for your phone or tablet to hold it steady while you take your photos. Easy set up: Just turn on your smart phones Bluetooth, search for the shutter remote and connect Compatible with a range of phones and tablets including iPhone, iPad and Android Specification: Transmit frequency:~2.4835GHz Communication:Bluetooth Version 3.0 Communication Distance: 10m (30ft) Powered By: 1x CR2032 Cell (battery included) Working Time: about 6 months under working in 10 times a day (But mainly depends on your usage way) Size: Approx. 50mm x 33mm x 10.5mm/1.97inch x 1.3inch x 0.41inch Package Includes:(2 Pack) 1Piece Bluetooth Remote Shutter