Chillitech 4G Smart Watch, 1.43" Screen AMOLED Quad Core 2GB+16GB Android Red

OS: Android 8.1. Touch Screen: Capacitive touch screen, touch IC:CHSC6417, G+F structure. Button:Two keys, One Power key, One Back Key+Rotary Key. SIM Type: Support Nano SIM card, to be inserted from watches' side.

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