Samsung Galaxy S4 accessories (pictures)

The Galaxy S4 isn't just a phone; it's an ecosystem. In addition to the phone itself, Samsung unveiled a wide array of accessories.

The S View Cover has a little cutout that gives you a peek at the time and other notifications.

Read: Samsung's S View cover offers a sneak peek at your Galaxy S4

A look at the S View Cover in the closed position.

Read: Samsung's S View cover offers a sneak peek at your Galaxy S4

The S4 can be charged wirelessly, but you'll need to invest in a compatible back cover and wireless charging pad (both shown on the lower right).

Read: Samsung Galaxy S4 offers optional wireless charging

Prospective S View owners can choose from a rainbow of color options.

The Heart Rate Monitor ($69.99, April) sends data to the S4 via Bluetooth. It's one of three health accessories for the S4.

Read: Samsung announces new 'S Health' fitness accessories: S Band, Heart Rate Monitor, and Body Scale

If you don't want the S View window, it appears that more-traditional covers (like the S3 Flip Cover) will also be available.

Read more: Samsung Galaxy S4 keeps calm, carries on with big screen, 8-core chip and, yes, eye tracking