TNP One Charger Cable - USB Charge Wire Cord Power Adapter Supply Replacement Spare Charging Accessory for One Wireless Activity Plus Sleep Tracker Extra replacement spare charging cable for Fibit One. Keep your Fibit One charged up and ready to go Fast Charging Speed: Thick gauge wiring and reduced cable resistance enable our cable to provide the fast charge via any USB charger; Simply plug it into the USB port on your PC, Mac, laptop, notebook, portable power bank, wall outlet, car or travel charger for convenient and quick charging High-quality copper wire maximizes charge speed and increases durability; High-resistance insulation protects each set of wires; Outer jacket made of solid PVC helps to protect the cables from damage and fraying Voltage Regulator (PTC) Inside: Prevent your One from being damaged by over-current when connected to USB power source Note: Specially designed for One, not compatible with other products