Charge 2, OLED, Bluetooth 4.0, LiPo, Small, Black / Silver
Fitbit Charge 2, Wristband activity tracker, OLED, Waterproof
Fitbit Charge 2. Display type: OLED. Device type: Wristband activity tracker, Product color: Anthracite, Black, Housing material: Stainless steel. Memory capacity: 7 day(s). Battery life: 5 day(s), Battery technology: Lithium-Ion (Li-Ion), Charging time: 2 h. Width: 0.844" (21.4 mm)