• An Ice Crystallized Titanium Bezel is subject to extreme heat and forced cooling to create a one-of-one, frost-like pattern.
• Both a silicone and nylon band are included.
• 65 hours of GPS battery, enough to get you through your longest days.
• Coros' most powerful mapping with free Global Maps, street and trail names, turn-by-turn navigation, and POI's
• Precision dual-frequency GPS with vertical algorithms built for alpine terrain and sheer walls.
• 1.3 inch Memory-in-Pixel touch screen with sharp contrast and easy readability in sun, snow, or shadows.
• Built-in speaker and mic for pace alerts, Voice Pins, and hands-free calls.
• Track and manage your recovery, HRV, sleep, SpO2, and training load for a 360 degree view of your training.

What is different between this and the standard Apex 4?