Bluetooth-compatible Remote Shutter Bluetooth-compatible 3.0 Self Timer for Android 4.2.2 & iOS 6.0 and Newer Controller - White With BT3.0 technology,this remote shutter has fast transferring speed and a transmission distance of 33ft It is compatible with smart phones which OS is Andriod4.2.2 or newer,iOS 6.0 or newer When it is connected to your smart phones successfully,you are free to take a picture or video by clicking the button,without holding your phone With a LED light,the flickering frequency of it clearly shows the state of the connection Only weight 8 grams. Portable and lightweight design is enough for you to carry it around Specifications: BT Version: BT3.0 Transmit Frequency: 2.4GHz-2.4835GHz Transmission Distance: 10m/33ft Battery: CR2032*1 Cell Battery Life: About 6 months under working in 10 times a day Item Size: Approx. 5.0*3.1*1.0cm/1.96*1.22*0.39in Compatible with: Android 4.2.2 & iOS 6.0 phones and newer Package included: 1 x Remote Shutter 1 x Button Cell 1 x User Manual