Material.ABS shell + silicone strap.
Model of operation.Touch
Interface.micro usb charging interface
Voltage. DC 4.2v
Battery. Built -in lithium polymer battery cell
Battery capacity. 400mAh
Card slot.micro sim card slot
Support system. Ios,Andriod
Main fuction.phone book to play/answer the phone/quick learning ,micro chat(real time voice intercom and sending information)
Touch your dating,step ,foot printing(support network/base station positioning) alarm equipment etc.
Need to connect with mobile phone to the download the app to use
1 smart watch.
1 usb cable.
1 english user manual.
Band material.rubber and stainless steel
Os compatibility. Andriod &ios