Imarku Set 1pc Black 1pc Slate 1pc Red (Tangerine) 1pc Teal (Blue/green) Replacement Large Bands with Clasps for Fitbit Flex Only /No Tracker/ Wireless Activity Bracelet Sport Wristband Fit Bit Flex Bracelet Sport Arm Band Armband (Large)

With silicone adjustable wristband and light weight, you can wear it comfortablely anytime, such as running, climbing. With G-Sensor technology, it can record time, steps, calories and distance. Let you know your sports data, adjust your exercise program and get healthier life!
With bluetooth V3.0, it is the best conpanion for smartphone. When you have call or messages, it will remind you. So you will never miss them! This smart bracelet is available for iphone and Android phone with bluetooth function( bluetooth should be V2.1 or above).
You can call directly by using the smart watch which has the built-in MIC and speaker. This smart watch also includes a long list of caller options that makes communication as easy as a cell phone, including speed dialing, caller ID, call waiting, call divert, call barring, and so on.

The first smart bracelet with OLED,recording sports data daytime and sleeping data in night to guide healthy living.
Host comes with a standard USB port, special design to charge through connecting PC and mobile driver.
Easy to charge via USB port, very slight only 20g and ignore its existence after waring.

Midnight Blue
Replacement Clip
Does not include the entire Fitbit Activity Device.

USB charger cable for Fitbit Flex
100% brand new and high quality
Warranty only applies if purchased from Official Ecsem Store. If purchased from a different vendor, the quality of the product may not be up to standard.