PluStore(TM) Replacement Charger Pack Charging Dock Cradle for Mio FUSE Heart Rate Training Activity Tracker Adapter with USB Cable Charger for the Mio fuse heart RATE training + activity trackers. Comes with a 3.3 ft. extension USB cable to make your smart watch charging become more convenient. Connects to your computer's USB port , Short circuit protection, to ensure your smart watch safety. Light weight and compact design suitable for travelers and business user, perfect backup charging dock at home or in office. PLS Note: Accessories only, Tracker Device is not included.