Specifications:10m wireless bluetooth remote camera control self-timer shutterFor iPhone 4 4S 5S 5C 5 4S . Samsung Galaxy S2/S3/S4，Note1，Note 2，Note 3，Tab 2. Android smartphones (Android 4.2.2 OS or newer and iOS 6.0 or newer)Bluetooth Version:bluetooth versior.3.0Frequency:2.4Hz ~ 2.4835GHzEffective distance : 10m (30ft)Battery type and life : CR2032 x 1 cell / approximately 6 months