Position with precision. This smart watch supports five satellite positioning systems to help you make the most of your journeys into the great outdoors and uses circularly-polarized antenna technology to improve positioning performance and accuracy. Water resistance depth is 50 meters. Supported applications include GPS, voice control, multisport tracker, heart rate monitor, and sleep monitor. Connectivity technology is Bluetooth. Easily set an alarm, ask a question, get a translation, and more with the Alexa feature. Packed with smooth and low power-consuming Zepp OS, which features over 10 mini apps including the Home Connect third-party app to help enhance your daily life. Health made effortless. Easily test your heart rate, blood-oxygen saturation, and stress level simultaneously with a single tap for results in as quick as 45 seconds. This watch also provides in-depth monitoring of sleep quality. Features over 120 sports modes including walking, running, cycling, and yoga. Jump into action quickly with smart recognition of seven sports. A water-resistance grade of 5 ATM means the smart watch can resist the equivalent of up to 50 meters water pressure. The Pool Swimming and Open Water Swimming sports modes can scientifically track your swimming data. Condition: New. Origin: China.