Fitbit Charge HR, Wristband activity tracker, OLED, Waterproof, Black
Fitbit Charge HR. Display type: OLED. Device type: Wristband activity tracker, Product color: Black, Band color: Black. Memory capacity: 30 day(s). Battery life: 5 day(s), Battery technology: Lithium Polymer (LiPo), Charging time: 2 h. Width: 21 mm