Smartwatch for children

Kids watch smart phone waterproof watch kids smart watch for kids with SOS
Shell material: ABS plastic + food grade silicone
Appearance: scratch resistant tempered glass, color plating effect
Charging: USB 2.0 charging
Card specifications: SIM card (Micro SIM card, Unicom 2G mobile support)
APP system requirements: for Android 4.0 or higher, for IOS 8.0 or higher
Fast Communication Module: GSM, support band: 850/900/1800/1900 quad-band