Huawei Watch Ultimate 2 Smartwatch, Blue Underwater Sonar CommunicationThe first revolutionary solution for autonomous underwater sonar communication. Its compact sonar module allows for message exchange up to 30 meters - you can forget about traditional gestures and light signals. Before diving During diving After diving The ultimate, unparalleled design With a sculpted octagonal case and ceramic frame, it is designed for lightweight durability and robust aesthetics. The 1.5-inch LTPO display stands out with a maximum brightness of 3500 nits for high clarity in outdoor conditions, in sunlight. The closest thing to indestructibleUltra-reliability. Presented in a zirconium-based liquid metal case with a hard coating, the watch stands out with a nano-technology ceramic frame and sapphire glass for extreme durability and resistance. Monitor your health with X-TAPHUAWEI TruSense System with X-TAP multi-sensor technology extends data collection from your wrist to your fingertips, making health monitoring more convenient and accurate. Phone-independent eSIM calling Phone-independent eSIM calling with AI noise cancellation. All-new and high-performance antenna systemThe stronger antenna system intelligently optimizes signals based on network usage scenarios to provide maximum performance. Whether it's eSIM calls or navigation, you always have fast and stable connections.Professional-level Expedition ModeImport your route and download full-color offline maps in advance. HUAWEI Sunflower Positioning System with five dual-frequency GNSS systems provides precise marking to return you safely. Outdoor careFall detection function detects when you fall and sends an SOS call after you confirm. High Altitude Adaptation feature promptly alerts you to early signs of altitude sickness. Third-party Action CameraRecord with your compatible action camera via smart gestures. Supports importing data from the HUAWEI Health app as stickers, such as speed and heart rate, making it easier to make videos. Instant switching between battery modesSwitch to power saving mode in 3 seconds for extended use, or stay in Standard mode for full functionality. Maximum battery life 18 hours in Diving mode (12 hours with SUC function enabled), 40 hours in Expedition mode, 24 hours in Golf mode and 22 hours in Trail Running mode. *SUC: underwater sonar communication Standard Mode Paired with Android Up to 4.5 days of typical use Up to 3 days with AOD function enabled Paired with iOS Up to 3.5 days of typical use Up to 2.5 days with AOD function enabled Compatible with both Android and iOS HUAWEI WATCH Ultimate 2 is compatible with both iOS and Android for easier use.