Apple 49mm Blue Ocean Band Extension - Blue - MT643AM/A color__Pink Gold High-quality optical construction ensures that

High-quality optical construction ensures that this filter provides constant rendering across the entire zoom range

It employs a new state-of-the-art optical design which maintains high corner-to-corner resolution throughout the focus range

Dock & Add Multiple Devices to Your USB-C LaptopThis versatile dock is designed to fit seamlessly into any workstation or setup

More than 2 Million screen pixels combine to form 1080p Full HD

Up to 30-Hour Battery Life

Apple 49mm Blue Ocean Band Extension - Blue - MT643AM/A color__Pink Gold High-quality optical construction ensures thatMade from the same high performance elastomer as the Ocean Band, this band extension lengthens the 49mm Ocean Band by an additional 50 millimeters perfect if you need extra length to wear the band over your wetsuit. The extension comes with an extra adjustable, corrosion resistant titanium loop, which you can place in any tube to tuck the excess band into. This extension must be used with the regular Ocean Band. Compatibility Apple Watch Models 44mm