Premium Noise Canceling Earbuds. The AU-Frequency true wireless earbuds represent value and quality down to the finest details. Engineered with the same state-of-the-art Soundproof noise-canceling technology found in our high-end headphones. The AU-Frequency offers an award-winning AU PEEK+PU Dynamic driver with near-perfect sound balance and a frequency range of 20Hz - 20kHz. At Ausounds, performance is the sum of all these features and more in the new AU-Frequency ANC. Soundproof Noise-Cancellation Our noise-cancellation process and technology assures the best audio curve with ANC on or off. 10mm AU PEEK+PU Driver Our 10mm AU PEEK+PU driver is tuned to perfection to give you the clarity and soundstage that only Ausounds can deliver in such a lightweight small earbud. Comfort for long listening Our silicone ear tips come in three sizes for a perfect seal. The AU-Frequency are IPX4 waterproof so you can sweat worry-free and rinse off additional dust with a low water spray. 20 Hours battery life With 20 hours of battery life, you'll have enough power for long trips. And if you need to charge in a hurry, you can get 1.5 hours' worth of charge after just fifteen minutes. High performance AU PEEK+PU driver A 10MM AU PEEK+PU composite film speaker with a frequency range of 20Hz - 20KHz, and tuned to perfection with driving low end and precision clarity in the highs for everyday use. Touch Controls Touch-Controls allow you to toggle through AI Voice Assistant and Play/Pause your music.