Product Name: Lemfo Lec2 PRO New Arrival 1.4 Inch Kids Smart Watch Support SIM Card Sos GPS WiFi Positioning IP67 Waterproof Smart Phone Children Smartwatch Model NO.: LEC2 Pro Feature: WiFi, Bluetooth, Water Resistant, 4G Material: Silicone Usage: Detection, Communication, Life&Sports&Others Display: IPS Compatibility: All Compatible Type: on Wrist Storage: 512MB+4GB Rear Camera: 0.3MP Network Mode: 4G Multiple Dials: Yes Style: Cute Display Size: 1.4 Inch CPU Model: 9820e Resolution: 240*240 Application Age Group: Child Standby Time: 1-3days Call Time: 4h Voltage: 3.7V Battery Capacity: 650mAh Trademark: LEMFO Transport Package: Box Specification: 12.5*8.50*6.80 Origin: China Mainland HS Code: 8517629900 Product Description Main FunctionsSupport 4G, GPS, LBS,WIFI POSITIONING,Multiple dials,Two-way communication,Multiplayer online Chat,Video call,Historical track,Voice call, dial number, SOS One click for help,Feature0.3MP camera GPS + Wifi + LBS 1.4inch 240*240 IPS screenLocation update schedule : It can be set within 1 minute, 10 minutes, 30 minutes, and also turn off the satellite location and do it manually. Users can manage it independently according to their needs.Monitor : Supports remote monitoring in callback mode (using high-noise microphones you can clearly listen to the watch's environmental voice remotely)SIM frequency band :GSM B2/B3/B5/B8 WCDMA B1/B2/B5/B8TDCDMA FDD-LTE B1/B2/B3/B4/B7/B8/B12/B20/B28ATDD-LTE B38/B39/B40/B41Ip67 Waterproof(Just wear it when you wash your hands, don't swim or take a shower) 650mah Battery(Can stand by for 3 days or so