About this product: 【1.85-inch Large Screen & Customizable Watch Faces】The Tiomio smart watch features an upgraded 1.85-inch full-touch screen, making it easy to operate and view notifications and records on a large display. The dedicated "H Band" app offers a variety of watch faces to choose from, allowing you to switch them freely. You can also customize the face screen to your liking, so anyone can wear it according to their mood. 【Bluetooth Calling & Voice Assistant】The smart watch is equipped with the latest Bluetooth 5.1 technology, significantly improving stability and energy efficiency. After connecting via Bluetooth, it supports synchronous mobile communication and can save call records. You can easily answer calls during exercise. It easily matches smartphones with Android 5.0/ iOS 9.0 systems. It also supports voice assistants, allowing you to make calls from the smart watch's voice assistant screen without taking out your smartphone. 【Equipped with 20 Rich Sports Modes】Using the sports watch makes training more comfortable. It supports everyday training such as running, walking, and indoor cycling, as well as various other sports and fitness activities. It also has a GPS sensor, making it easy to check and record your distance and route, enriching your daily life. 【280mAh Long-Lasting Battery & Reliable IP68 Waterproofing】The smart watch has a built-in 280mAh battery, which can be fully charged in 2 hours and used for up to 7-10 days, with a standby time of 15-20 days (depending on usage frequency). You don't need to charge it frequently, and you don't have to worry about running out of battery on short business trips. With IP68 waterproofing, you can use it without worry during everyday handwashing and face washing, as well as during sweaty workouts. *It is not completely waterproof, so please refrain from submerging it in water, such as in the bath.