ELEGIANT Wireless Fitness Pedometer Tracker Bluetooth Sports Bracelet Activity Tracker with Steps Counter Sleep Monitoring Calories Track for Sports Fitness Gift Designed for a Healthy Life: Steps Counting, Find Your Phone, Camera Remote Control, Sedentary Reminder, SMS Reminding, Call Reminder, Incoming Calls Show, Calories Burned Measuring, and Sleep Management etc. The wristband is made of silicone, soft and skin friendly, very comfortable to wear. Using stretchy silicone material, the wearable maximum length is 7.6 inches, minimum length is 5.5 inches USB Connect: The whole display can be pulled out from the band and used as a USB stick. With a USB connector, its very continent to charge the built-in battery via charger or computer Fit For: iPhone 4S or above (iPhone 4S, iPhone 5, iPhone 5S, iPhone 5C, iTouch5, iPad3, iPad4, iPad air, iPad mini etc IOS 7.0 or above system) Android 4.3 or above, Bluetooth 4.0. Not Fit For: Lenovo, TCL, Asus phone If you have any question with the item, please email to: support@elegiants.com, we will reply within 24 hours. We offer an 30-day money-back guarantee, if the purchase has any quality defect. Please be assured the purchase