Ws8 ultra multi function watch

Product details of Ws8 ultra Smart Watch with multi functions 1.69″ HD Full Touch Screen Watches Bluetooth Call Heart Rate Smartwatch Sports Fitness WatchFLASH memory:64KB RAM，16M bits ROMScreen size:1.69 inchResolution:IPS 240*240Encoder:DK-F412 mechanical encoderButton:Double keyScreen:HD full touch screenBT:BT 3.0/4.0G-Sensor:SC7A20Battery Type:Polymer lithium batteriesBattery Capacity:3.7V/150mAhWaterproof grade：IP67Charging time：1.5H