Apnea training is recommended to be tried while lying down or sitting on land.Water resistance is not permanent, and protection may decrease with daily wear and tear. Please visit the Huawei official website for more information on water resistance. It is recommended that you wear other types of straps, in such scenarios. Leather and metal straps are not designed to withstand swimming or sweat. Rinse off the watch with fresh water after using it in ocean water. It is not suitable for scuba dives, technical dives, and diving activities exceeding a depth of 30 m. It should not be work in hot showers, hot springs, or saunas (steam rooms), nor during platform dives, high-pressure rinsing, or other activities that involve high water pressure, high temperatures, high levels of humidity, or fast-flowing water. This product meets the requirements of the EN13319 standard for diving accessories, and supports free diving with a maximum depth of 30 m. This product complies with 5 ATM-rated 50-meter water resistance under the ISO 22810:2010 standard, and can be worn during shallow water activities, such as swimming in pools and shallow waters along the coast.Watch faces can be downloaded from the Huawei Watch Face Store.Non-standard straps need to be purchased separately.

Watch features may vary depending on the phone model.

Only supported on mobile phones running Android 6.0 or later, iOS 9.0 or later with the HUAWEI Health app installed.

Not applicable to users under age 18, or those diagnosed with other types of arrhythmia.

Message content is for reference only, and should not be used for clinical diagnosis.

Padi open water diver final exam