<p>Amazon.com Inc on Thursday launched a fitness band and app, "Halo", that will track user activity such as sleep and heart rate.</p>.<p>Customers in the United States can request early access to Halo starting Thursday, with the band and 6 months membership priced at $64.99, the e-commerce giant said in a statement.</p>
<p>Amazon.com Inc on Thursday launched a fitness band and app, "Halo", that will track user activity such as sleep and heart rate.</p>.<p>Customers in the United States can request early access to Halo starting Thursday, with the band and 6 months membership priced at $64.99, the e-commerce giant said in a statement.</p>