Fitbit Flex Red Wireless Activity +Sleep Wristband

Fitbit Flex. Device type: Wristband, Colour of product: Violet, Band colour: Violet. Activity monitoring: Active minutes, Calories burned, Distance traveled, Hours slept, Quality of sleep, Steps taken, Brand compatibility: Apple, Compatible products: - iPhone. Connectivity technology: Wireless, Bluetooth version: 4.0. Mobile operating systems supported: Android, iOS, Windows operating systems supported: Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, , Mac operating systems supported: Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, . Battery life: 5 day(s), Battery technology: Lithium Polymer (LiPo), Charging source: USB