Product: Smart WatchesColor: White、 Black、 RedInterface: USB 2.0Communication: SupportAdditional Features: health monitoring、 pedometer、 intelligent alerts、 remote self-timer、 sleep analysisOperation: TouchWireless Distance: 5m-10mScreen Size: 1.5 inchesBody Memory: 158MPackage Includes:1pcs Smart Watch1pcs Charging Cable1pcs Manual