There are a host of different types and styles of life jackets, or PFD (Personal Floatation Devices) on the market. They come with different ratings based on the level of buoyancy they deliver.
Following state laws - and using a properly fitting life jacket - can prevent fatalities when enjoying the water this summer.
Settings dictate battery life. Heated jackets use rechargeable lithium batteries ... though customers say the back is warmer than the front. The battery pack has a display that reads the remaining ...