Feature:1. MAIN PURPLE: This bracelet can prevent drowning, just use the hand lever to keep you on the water, so that you can get out of danger.2. FOR WATER SPORTS: Suitable for underwater swimming, fishing, yacht sightseeing, diving, sea surfing, boating and other water sports.3. HIGH RELIABILITY: The gas bag has been tested to ensure good reliability, help you deal with accidents such as choking, cramping and fatigue.4. ADJUSTABLE SIZE: The swim lifesaving wrist strap is adjustable, suitable for wearing on the wrist or arm to meet the needs of more people.5. EASY OPERATION: When using the bracelet, gently pull the hand switch to inflate the gas bag and provide buoyancy, efficient and practical.Specification:Item Type: Lifesaving BraceletMaterial: ABSSize: Approx. 26 x 8cm / 10.2 x 3.1inWeight: Approx. 389-421g / 13.7-14.9oz.Package List:1 Set Lifesaving Bracelet (5 Accessories in Total)Note:1. The air cylinder shall be tightened and the cylinder cover shall be closed.2. Pull off the switch and note that it is not inflated at this time.3. The switch returns to its position, and then the rapid inflation begins.Remember to pull it once and inflate it for 2 seconds, and check whether the new cylinder has been replaced before each use when the switch is returned.