4G private protocol
Size: S (recommended 37
Rechargeable & Eco-friendly : Powered by a 14500 lithium-ion battery and recharged via Type-C
3-key controller
Smart Watch Women's Fashion Bluetooth Calling Watch UltrasonicHumidifier 4G private protocolProduct information: Color: Gold Packing List: watch, charging cable, manual, packing box Applicable people: women, men, children, neutral, teenagers, couples, adults, the elderly, others Operation mode: touch button Screen Type: TFT screen Battery life: less than 7 days Functions: step counting, heart rate monitoring, blood pressure measurement, social entertainment, Bluetooth calling, smart reminder, remote control selfie, sleep monitoring, blood