Description GPS positioning, historical track play. Electronic fence, voice intercom, love reward. Two-way hands-free intercom, SOS emergency call. Call firewall: limit of 13 call in and 12 call out. Remote monitoring, time date, alarm clock,listening environment. Specification Item: Smart Watch Color: Black and Blue, Black and Pink Language: English Material: Environmental silicone strap, high definition touch screen Battery Capacity: 400mA Screen size: 1.44inch Size: 22.8*4.1*1.6cm/8.98*1.61*0.63inch Weight: 150g Applicable people: Children ROM: 32MB Wearing: Wrist Operation way: Touch screen+button Additional function: Monitoring, health monitoring, tracking/alarm, smart reminder, information push, motion tracking, sleep analysis, mobile positioning Compatible platform: Android Feature: Learning light Charging time: 3h Standby time: 2-3days SIM card: Mobile/Unicom Micro SIM card Communication: 2G/3G/4G Package includes: 1 * Packing box 1 * Smart Watch 1 * USB Cable 1 * User Manual