Anker Soundcore Liberty 4 Pro (Bluetooth 5.3) [In-ear completely wireless earphonesUltra Noise Canceling 3.5A.C.A.A 4.0High resolutionEquipped with

Advanced Ultra Noise Canceling 3.5: 7 sensors detect environmental sounds and noises 180 times per minute and perform optimal noise canceling for each scene. Ultimate sound quality with A.C.A.A 4.0: Equipped with two upgraded drivers for bass and mid-high frequencies. By using technology to send the optimal sound signal to each driver, we have pursued sound quality that is clear from high to low and has little distortion. Intuitive operation: Pressure-sensitive and swipe sensors are implemented on the earphone body. In addition, various mode settings are possible with the touch bar and screen installed in the case. You can operate it intuitively without using an app. Long time playback: Up to 10 hours of music playback with the earphones alone and up to 40 hours of music playback with the case included (in normal mode). It also supports short-time charging, which allows approximately 4 hours of playback with just 5 minutes of charging. Package contents: Earphone body, charging case, ear tips (6 types), USB-C & USB-A cable, quick start guide & safety manual, technical compliance mark certified product (frequency band: 2.40-2.48GHz)