This smartwatch combines durable construction, onwrist communication, and continuous activity tracking in a compact wearable design. It is made from a special aluminum alloy and built to operate reliably in harsh conditions including extreme temperatures low pressure and dusty environments. Key benefits Durable and portable: Special aluminum alloy construction provides a lightweight yet sturdy frame for daily wear and outdoor use. Reliable communication: Builtin speakers let you make and receive calls and play music directly from the watch when paired to a phone via Bluetooth audio. Allday activity awareness: 24hour realtime activity tracking keeps a continuous record of steps and movement for everyday monitoring. Versatile sports support: Multiple sport modes capture different activities so you can track performance across workouts and leisure sports. Main features Material and build: Special aluminum alloy housing designed for use in demanding environments. Call and audio functions: Integrated microphone and speaker support calling and music playback when audio Bluetooth is connected to a compatible smartphone. Multisport modes: Includes walking running basketball football cycling rope skipping mountain climbing and other common activities to help log specific workouts. Step counter and tracker: Continuous step counting with 24hour tracking of activity levels. Compatibility: Works with devices that support Bluetooth audio and call functions. Ensure successful audio Bluetooth pairing to enable calls and music playback from the watch. Practical use scenarios Commuting and hands calls: Keep your phone in a bag or pocket and handle incoming calls directly from the watch while commuting or moving between meetings. Outdoor adventure and travel: Wear the watch during hiking or mountain climbing where a lightweight durable device is needed for time communication and activity tracking in challenging conditions. Sports and gym sessions: Use dedicated sport modes for running cycling or team sports to record steps and activity patterns during workouts. Important note This device provides activity and movement tracking for everyday use. It is not a medical device and its data should not be used as a medical diagnosis or compared to hospital equipment. Ensure your phone is paired via Bluetooth audio to enable full calling and music features.