Instinct E is the super tough 40 mm smartwatch that gets up to 14 days of battery life. It includes essential features such as smart notifications and Connect IQ Store compatibility. It also features 24/7 health and wellness tracking with wrist-based heart rate, advanced sleep monitoring, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries). With its high-strength case and scratch resistant lens, the Instinct E smartwatch can take on your toughest adventures. It's engineered to MIL-STD-810 for thermal and shock resistance and is also 10 ATM water rated. Smart Watch Features: GPS, Smart Notifications, Fitness Tracking, Heart Rate Monitor Connectivity: Bluetooth, ANT + Smart Pay: No Strap Material: Silicone Screen Type: (MIP) LCD Water Resistant: 10 ATM Battery Life: Up to 16 days Compatibility: iPhone, Android&