Expert Perspective: Discover the cutting-edge technology of the KZ Xtra Bluetooth 5.4 TWS Noise Cancelling Earbuds. These True Wireless Earphones, equipped with the QCC3091 chip, feature Multi-Mode ANC for superior noise cancellation. Made from high-quality plastic and free of any harmful chemicals, these in-ear earbuds boast a control button, wireless communication, and volume control. They are also certified with CE and have dual drivers for exceptional audio quality. With a wide frequency response range of 20 - 20000 and advanced Apt-X codecs, these earbuds deliver a HiFi sound experience. They are suitable for various functions such as internet browsing, gaming, sports, and more, and come with a detachable audio cable, making them convenient and versatile for daily use.