OLED, Bluetooth 4.0/Smart, Li-Ion battery, 8g, Black
Fitbit One, Clip-on activity tracker, OLED
Fitbit One. Display type: OLED. Device type: Clip-on activity tracker, Product colour: Black, Waterproof up to: 1 m. Battery life: 7 day(s), Battery technology: Lithium-Ion (Li-Ion), Charging source: USB. Weight: 8 g, Width: 19.3 mm, Depth: 9.65 mm. 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...