Specification
Operating system:compatible with Android 4.2.2 ornewer and IOS 6.0 or newer
Communication :For Bluetooth Version 3.0
Transmit frequency :2 4GHz-24835GHz
Communication distance: 10m(30ft)
Battery life :CR2032x1 cell/about 6 months under working in 20 times a day
Dimension:46x31.3x11 .8mm
Weight:About 10g