USB Power Charging Cable for Fitbit Flex Wireless Wristband Bracelet Black Type: Charging cable Specifications: Color: black Total length: approx. 20cm Features: You can charge for Fitbit flex wireless band with this USB cable on: any Computer (PC or Mac) that has Standard USB port a wall charger that has Standard USB port a car charger that has Standard USB port. COMPATIBLE MODELS: for Fitbit flex wireless band Note:Only for charging, no RESET function.