With the Chips Ultra 2. 0 Universal True Wireless Helmet Audio, Outdoor Tech brings us a stereo sound party inside our helmet as we hit some solo resort laps. The expertly-tuned 40mm drivers feature superior Bluetooth connectivity, 12-14 hours of play time, and are easy to operate without removing your gloves. Optimized to fully charge in just 1. 5 hours, you are able to still get the most out of the elite audio technology if you forget to charge them before you leave the driveway.