Fitbit Charge, Wristband activity tracker, OLED, Waterproof, Blue
Fitbit Charge. Display type: OLED. Device type: Wristband activity tracker, Product color: Blue, Band color: Blue. Memory capacity: 30 day(s). Battery life: 10 day(s), Battery technology: Lithium Polymer (LiPo), Charging time: 2 h. Width: 21 mm