The SENBONO KT71 Outdoor Smartwatch is the ultimate rugged wearable, packing a massive 1.96-inch HD display, 3ATM military-grade waterproofing, and dual-Bluetooth calling into an indestructible, budget-friendly frame. Powered by a high-capacity 430mAh battery that lasts for days, it features 100+ sports modes and comprehensive 24/7 health tracking (heart rate, SpO2, and sleep monitoring) to serve as your ultimate fitness and communication command center.