It was designed with USB 2.0 and charger pins, TPU material, durable and strong USB 2.0 connector.
Extra Replacement Charging Cable to Give Your Fitbit One Wristband a Boost in the Office,at Home, in Car or in Travels.
We suggest that you connect it to USB power source on PC, laptop, notebook, because this charging method can provide high efficiency and high stability charging experience for you.
Totally Length: about 12cm
Only Chaging Cables, No Trackers, No wristband.
The charging time of 80 minutes is better.
Don't wait completely out of power to charge the wristband.
2Pcs Black Replacement Charging Cables for Fitbit One
Please note this is third party charger , not officail charger, it is a little bit different in size, material and appearance than the official charger.