Polar Loop 2 Wired/Wireless Wristband activity tracker Black

Polar Loop 2. Device type: Wristband activity tracker, Colour of product: Black, Housing material: Silicone. Connectivity technology: Wired/Wireless. Windows operating systems supported: Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Wind, Mac operating systems supported: Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks. Battery technology: Lithium Polymer (LiPo), Charging source: USB