Home > Products > > 4G Kids Smart Watch > 4G Kids Video Call Watch LT21A Product Name: 4G Kids Video Call Watch LT21A Model No.: LT21A Dimensions: 232*41.5*16.8mm Features: Color black, blue, pink Screen 1.4inch  IPS touch screen, Pixel 240x240 OS Android 4.4 Solution Spreadtrum SC8521E, 1.2GHz Dual-core ARM CortexTM A7MP  GPS Support 4G Video Call By APP or VOLTE Memory 512MB RAM + 4GB ROM Location GPS，AGPS，LBS，WIFI 2G Network GSM B2/3/5/8 3G Network WCDMA B1/2/5/8 4G Network FDD-LTE: B1 B2 B3 B4 B5 B7 B8 B12(17) B20 B28A (Or B1 B3 B5 B7 B8 B38 B39 B40 B41)         SIM card Nano SIM card Language Multinational option SOS Support G-sensor Support  (in three axis) Remote monitoring Support Camera 0.3MP pixels (2.0MP in option) Waterproof level IP67 Battery Lithium battery 650mAh Dimension 232*41.5*16.8mm Other features Electronic fence (GEO), History tracking, Alarm clock, Find watch, phone book, working mode, Remote shutdown watch, support APP for Android and IOS smartphone.

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