Maser Smart Assist Lit Smart Watch Lightweight smartwatch with 1.9″ HD screen,390*435 resolution,260mAh battery capacity, typical use of 7 days, always-on display, AI Assistant, SOS emergency calls, NFC access, GPS movement track, Two-way Payment, wireless charging, bedside lamp mode, multi-sports mode, ECG monitoring, women’s menstrual cycle reminder, IP68 water resistant, atmospheric pressure, ultraviolet rays. (Silicon-black)