Replacement Charging Cable for HR only, not for other models. No reset function. Keep your HR fully charged and ready to go. Please note that the charger for HR is different from other smart device, this one is for HR only. Feature - Color: Black. - Material: Metal+Plastic. - Size: 6 x 3cm. - Input voltage: 5V. - Output voltage: 5V. - Output current: 700MA. - Interface: Probe Interface. - Durable Material and Copper Wire ensures Stable Current Transmission, which assures the quality of the charge. - and Durable:Made of wire, this replacement charging cable for HR can stand many thousand times insertion-and-extraction tests.Compact and lightweight design, convenient for travelers and business users. - Fast Charge & Stable Performance - Our Charging Cable can be connected to USB power source on PC, laptop, because this charging method can provide high efficiency and high stability charging experience for you. - Cable Length:3( ).Extra Long Length For Ample Reach. Extra Replacement Charging Cable to Give Your Watch Fitness a Boost in the Office, at Home, in Car or in Travels! Package list: 3 x Converter