Operation System Requirement: iOS 4.0 or Above & Android 3.0 or Above Super easy operation! Just plug the cable and press the button. It's perfect for those who don't like the trouble of bluetooth connection and worry about the running out of battery. It's really easy to use and carry. This tiny, stylish and lightweight stick will simply meet all your needs for selfie. Last but not the least, it's really cost-effective! Great gifts for family members, friends, colleages, relatives. Great outdoor, tour or hiking companian!