Description: 1. 4G Video Call, Micro Voice Chat. 2. IP67 Waterproof(Please do not use it in hot/salt water,hot shower ), 3. Positioning Technologies:LBS+GPS+AGPS+WIFI 4. RF Bands: 2G GSM: B2/3/5/8 3G WCDMA: B1/2/5/8 4G Network LTE:B1,2,3,5,7,8,20,38,39,40,41 5. Two-way calling 6. Dual Speakers Design: Large volume, stereo HD call. 7. HD Camera: 0.3 MP pixels with wide angel. 8. Other function: Facelock,SOS,class mode, remote monitor, electric fence, call firewall, home-school reminder,phone book, alarm clock,security area,remote shutdown,pedometer etc. 9. Easy to connect with android and ios phone:App :Setracker/Setracker 2 10.Watch language for all the versions: Chinese,English, Russian Specifications: Touch & 65306;Yes Strap material& 65306;Silicone Chip& 65306;C403H Battery capacity& 65306;750mAh Charge time& 65306;about 2H Display resolution:240*240 Screen size:1.4 inch Camera: 30w Network: 4G APP Compatiable: Android& 12289;IOS Location ways: GPS+LBS+WIFI RAM& 65306;192MB ROM& 65306;128MB Calling:3 SOS + 15 phone number Package: 1.Smart watch *1 (does not include SIM card)