Emio Bluetooth Wireless Photo Shot Shutter Remote for iOS and Android Smartphones Bluetooth 4.0, effective range 10m Compatible for Apple and Android smartphones No need to download from APP, only connect phone by Bluetooth Built-in lithium battery, up to 20 hours continuously Makes it easy to take photos or videos for yourself or of your friends/family For iPhone, iPad, iPod Touch, Samsung Galaxy S3, Galaxy S4, Galaxy Note 2, Galaxy Note 3, Galaxy 10.1, Moto X, Nexus 4, Nexus 5, Nexus 7 or Nexus 8 and more.