SCHWINN Sync 200 Lumen LED Light Set Headlight Charging Instructions: 1. Lift up tab located on the bottom of the light body and connect the light unit to a USB charging port with the included micro USB charging cable (charging only). The power button will light up green while charging. 2. When the power button light turns off, charging Is completed. Remove the USB cable from the light and close the tab. Standard charging time is approximately 3 hours, and will wary by environmental and user conditions. — .
