Garmin Instinct E 40mm Watch Watch Color: Electric Lime Wristband: Twilight - SiliconeInstinct E is the supertough 40 mm smartwatch that gets up to 14 days of battery life. It includes essential features such as 24 7 health and wellness tracking plus smart notifications. Plus, it has multi GNSS support and a 3 axis compass and barometric altimeter so you can track your adventures. TECH SPECS Battery Type Lithium Ion Connectivity ANT+ BT Customizable Screen Yes GPS Yes Heart Rate Monitor Yes Primary Color Grey Touchscreen No External