With AptX™ audio decoding with a high decoding rate of 352kbps at 16bit/44.1kHz, the X5 delivers outstanding sound details and restores rich emotions in the music. With the built-in dual-mics array supported by the 8th generation CVC noise cancellation technology, the X5 is capable of screening the loud ambient noise in streets and provide the user with crystal clear calls. Qualcomm's Bluetooth V5.0 technology enables the X5 to work with a high speed of transmission, an effective distance of more than 10m, and at lower power consumption, with the transmission of high-fidelity music. Polished with great care and kept improving, the X5 is made with ergonomic into its surface and angle. The design is greatly suitable for all people to wear with comfort, fitness, and without dropping during sports. With light taps of your fingertip, multi-functions can be realized with quick response. What an experience of convenient and efficient control! With IP55 dust and waterproof and multiple processes of protection, the user freely enjoys music without worrying about rain or sweat. Qualcomm's Bluetooth V5.0 technology enables the X5 to work with a high speed of transmission, an effective distance of more than 10m, and at lower power consumption, with the transmission of high-fidelity music.