Modify your sound to work for you with the Audeara A-01 Customizable Wireless Headphones. This device uses a simple hearing test to determine which settings you need for an optimal listening experience. The A-01 headphones then adjust the left and right ear settings independently, resulting in optimal sound for your hearing. Utilizing Bluetooth connectivity, the customizable wireless headphones allow you to enjoy your favorite songs without any annoying cables. Thanks to active noise cancelation, you can easily hear your music in any surrounding. Offering up to 65 hours of battery life, the A-01 headphones keep up with your activities. Plus, you can just charge the headphones via micro USB whenever they need more power. With the A-01 headphones, listening to music turns into a truly personal experience.