Amazfit Bip Max Smart Watch, 2.07" AMOLED Display, GPS, iOS/Android.

Display: Ultra-bright 2.07-inch AMOLED screen. Brightness: Sunlight-readable 3,000 nits peak brightness. Storage: 4GB for offline maps and podcasts. Battery: Lasts up to 20 days. GPS: Continuous 40-hour five-satellite tracking. Waterproofing: Swim-proof 5 ATM water resistance. Workouts: Over 150 dedicated sports modes. Health: Continuous heart, oxygen, and sleep tracking. Connectivity: Bluetooth calling and phone notifications. System: Runs ZeppOS 5.0 with AI assistant.