Tips: Please choose “HAYLOU GST” if you want to get the Function of “Variable Watch Faces” and “SpO₂ tracking”! 【Product Description】 1. Variable Watch Faces (Only HAYLOU GST)* 2. Health Monitor 3. SpO₂tracking (Only HAYLOU GST)* 4. Sleep Monitor 5.12 Sports Modes： Outdoor running, indoor running.fast walking, cycling, climbing, spinning, Yoga, free training, rowing； gymnastics, basketball, football 6.IP68 Waterproof and dustproof 7. More Functions: Time function(Alarm, stopwatch, timer); Weather notification (Weather forecast for the next 3 days) Find your phone (Ring to find location) Music control (Play, pause, skip track） 【Functional highlights】 About Variable Watch Faces(Only HAYLOU GST) APP-rich watch faces are continuously updated to meet diversified aesthetics. Customize the watch face with your favorite picture. About SpO₂tracking HAYLOU GST supports testing your blood oxygen level at any time, so you can get a better understanding of your physical condition. (People who easily get low blood oxygen level; White-collars/students; Sports enthusiast; People who snore All-day Heart Rate Monitoring Considerate Care Any Time Monitor your heart rate 24 hours a day with your health in mind. View recent heart rate data through mobile App. About Smart Sleep Monitoring lt automatically recognizes your sleep status and records data such as sleep duration and depth without needing to set it manually. 20 Days Battery Life With one full charge, it can be used for more than 7 days in daily mode, and about 20 days long battery life mode. About IP68 Waterproof and dustproof IP68 is waterproof and dustproof and can be worn for daily use. No need to worry about sweat and rain. Life Assistant Partner for Health and Work is more than a watch. It is a good partner in the workplace and life with diversified functions that go with your phone. 【Package list】 1 x Smart Watch 1 x Charging cable 1 x User Manual 【Basic Parameters】 ***About LS09B(GST)*** Product Name: HAYLOU GST Dimensions: 45.1 x 36.5x11.5mm Strap width: 22mm Watch weight: 50g(with strap) Display: 1.69" TFT display Resolution: 240x280 Bluetooth connection: Bluetooth V5.0 Sensors： Heart rate sensor, motion sensor, blood oxygen sensor Battery capacity: 220mAh System requirement: Android 6.0 and above; IOS 11.0 and above (Supported functions will vary with different watches, mobile phones, and countries) Battery life: Approx.7 days (24 hours heart rate monitoring) Waterproof grade: IP68 Working temperature:0℃~45℃ Synchronous data platform: HAYLOU Fun ***About LS02*** Product Name:HAYLOU Smart Watch 2 Product Model: HAYLOU-LS02 Body Size: 48 x 36 x 11.5mm Band Size: 20 mm Watch Weight (including strap): 38g Display: 1.4" TFT LCD display Resolution: 240*240 Bluetooth Connection: Bluetooth V5.0 Sensor: Heart rate sensor, acceleration sensor Battery Capacity: 260 mAh Battery Life: 20 days lasting Dustproof and Waterproof Grade: IP68 Working Temperature: -20°C~45°C Data Synchronization Platform: HAYLOU APP Paired Phones: Android4.4 and above, ios8.0 and above 【After Sales Policy】 We will provide a replacement or repair service in the following cases: 1. Send the wrong product. 2. Products have quality problems. 3. You receive a fake one. 4. Water damage such as swimming, showers are NOT COVERED. 5. Products cover damage due to user behavior/ accident is NOT COVERED.