Parameters: Touch Yes Strap materialSilicone ChipC403H Battery capacity750mAh Charge timeabout 2H Display resolution:240*240 Screen size:1.4 inch Camera: 30w Network: 4G APP Compatiable: AndroidIOS Location ways: GPS+LBS+WIFI RAM192MB ROM128MB Calling: 3 SOS + 15 phone number Features: 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: Face-lock, 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 & CarePro+ * The Foreign Version have no weather function, please note it, thank you Packing List: 1* Smart watch 1* Magnetic charge cable 1* Screwdriver 1* Sim card tool ( not include sim card ) 1* Original Box 1* Manual