Fitbit Flex Wireless Activity + Sleep Wristband, Red Product Overview Color: Red Size: Two wristbands included, Large and Small Color:Red  |  Size:Two wristbands included, Large and Small Product Description Make fitness a lifestyle with Fitbit flex-a slim, stylish device that tracks all-day activity like steps, distance, calories burned and active minutes. See how every day stacks up with LEDs that light up like a scoreboard as you get closer to your goal. Then wear it at night to measure your sleep quality and wake with a silent, vibrating alarm. Day or night, flex fits comfortably around your wrist, is water-resistant, and has a 5-day battery life. It also syncs to computers and 150+ leading smartphones, so you can access your stats anywhere and see your progress in charts and graphs. Manufacturer Contact Information Customers contact Features Tracks steps, distance, calories burned and active minutes Monitor how long and well you sleep Wakes you (and not your partner) with a silent wake alarm LED lights show how your day is stacking up against your goal Slim, comfortable and easy to wear (includes Large and Small wristbands) Sync stats wirelessly and automatically to your computer and over 150 leading smartphones Details Product Dimensions: 0.6 x 0.4 x 8.2 inches ; 0.5 ounces Shipping Weight: 4 ounces Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. UPC: 810351021469 052366410238 Item model number: FB401RD Batteries 1 Lithium ion batteries required. Quality Products Have peace of mind knowing that your order will arrive original factory sealed packaging. That means that you'll have the full force of the manufacturer's warranty to protect your purchase. Fast and Free Shipping You're already purchasing the item. Why pay additional for shipping, especially slow shipping? We get your order shipped out and delivered to your doorstep as quickly as possible. Commitment We are committed to making sure that you leave this transaction satisfied. That means having access to real people that get your questions and concerns answered quickly. Give us a shot and we will make sure that you will look to us again!