Made from 55% post-consumer recycled material Curved, natural tilt keeps the wrist in a neutral position Adjustable wireless connectivity options (2.4 GHz (with micro USB receiver) and Bluetooth) 7-button customizable sensitivity (1,000 1,600 2,400 dpi) 10 m wireless range Runs on built-in battery, rechargeable via USB-C port Color: black Certified recycled material that complies with the SCS Recycled Content Standard V8-0 for a minimum of 57% post-consumer recycled material of the total plastic components, with the exception of the printed circuit board, rechargeable battery and charging cable