GPS Running Watch with Wrist-based Heart Rate and display type is sunlight-visible, transflective memory-in-pixel(MIP)
Customize Your Watch and Your Training, Larger Screen - a 44% Larger Screen than the 225 but the Same Physical Size
Audio Prompts - Receive Audio Prompts from Your Connected Smartphone That Include Laps and Lap Times. Smartwatch Mode: Up to 9 days. GPS mode: Up to 11 hours
Smart Notifications - See Incoming Email, Text Messages, Call Alerts, Calendar Reminders and More from Your Compatible Smartphone
Battery Life 11 Hours Training, 9 Days Watch, Activity Tracking, Notifications + Heart Rate. Refer user manual below