The eCost shutter is small enough to have with you on your keychain whenever you need it | Simple and easy camera shutter remote control for iPhone, iPad, Android and Samsung Galaxy / Notes | NO APPS TO DOWNLOAD when using an iPhone, iPad, iPod Touch, Samsung Galaxy S3, Galaxy S4 S3, Galaxy Note 3 2, Galaxy Note 8 10.1, Moto X, Nexus 4, Nexus 5, Nexus 7 or Nexus 8 | Operational up to 30 feet (about 10 meter) | Compatible with: iPhone 11 Pro Max, 11 Pro, 11, X, Xs, Max, Xr, 8, 8+, 7, iPhone 7 Plus, iPhone SE, Apple iPhone 6s, iPhone 6s Plus, iPhone 6, iPhone 6 Plus, iPhone 5c, iPhone 5s, iPhone 5, iPhone 4s, iPhone 4, Samsung Galaxy S8, S8+, Note 8, S7, Samsung Galaxy S6, Galaxy S6 Edge, Galaxy Note 9 & Many Other Smartphones