Sure, here's a refined and simplified English title based on the original: *Eyson® Inflatable Life Jacket Vest - Blue Manual (709)**

Eyson Professional & Reliable Manufacturer on Inflatable Life Jacket Vest Preserver

Designed for the sportsman, flatwater paddler, or recreational boater, the Eyson inflatable life jacket provides comfort, safety, and peace of mind without the bulk of a traditional life vest. This manual inflatable life jacket quickly inflates in approximately 2-3 seconds when the wearer pulls the handle, adjusting the head above the water. Additionally, it is equipped with a backup oral inflation tube on the left side for added safety.

Fabric Cover: 1. Durable Waterproof Polyester Oxford Cover: Resists tears and punctures while remaining soft and lightweight. 2. Adjustable Strap Webbing & Buckle: Easily adjust the size by pulling the buckle, accommodating waists/chests 29-62 inches. 3. Pull Cord: Pull this cord to inflate the life jacket when needed. 4. Two-in-one Design: The fabric cover and air bag are sewn together for easy repacking and reuse. 5. Quick Release Buckle: High-quality plastic buckle for easy on and off. 6. Useful Rescue Strap: Designed with an emergency rescue strap to help pull the wearer back to land.

Air Bag: 1. SOLAS Reflectors: Two reflective bands on the air bag for greater visibility in the dark. 2. Eyson Patent Inflator: High-quality inflator for rapid inflation in 2-3 seconds. 3. Oral Tube: A TPU material backup to manually supply air. 4. Whistle: Professional life-saving whistle with high penetration and high frequency. 5. CE Standard: Tested for 48 hours for air leakage before leaving the factory. - Air Bag Material: Nylon + TPU - Inflation Time: Less than 3 seconds - Floating Duration: Greater than 48 hours - Buoyancy Loss after 24 Hours: Less than or equal to 5%

Safety is our top priority. Each inflatable life jacket is tested twice, first for the inflate device and second for chamber air leakage, with each test lasting 24 hours.

Package Includes: - 1 x Eyson Life Jacket - 1 x Carry Bag - 1 x User's Manual

Eyson Rearming Kit: - Asin: B07Y2T6ZRD - Cylinder Capacity: 33 grams - Buoyancy: 150N - Specification: 1/2-inch thread - Application: Eyson Manual Inflatable Life Jacket for Adults - Reminder: One cylinder is pre-installed, it's recommended to buy one or more rearming kits for backup.

The Eyson inflatable life jacket is CE certified and features SOLAS-approved 3M reflectors. It is lightweight, durable, and adjustable, making it suitable for both adults and youth. The reusable, washable, and easy-to-dry design ensures long-lasting use.

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