Size: CHOICE S7 Brand HONOR Colour Grey Ear placement In Ear Form factor In Ear Noise control Active Noise Cancellation About this item Ergonomic shape design: Thanks to the scanning and simulation of the real ear canal, an innovative ergonomic micro-ear design has been developed. Compared to conventional in-ear and semi-in-ear models, it is less invasive to the ear canal and has a smaller contact area with the trago. 13 mm TPU + titanium composite diaphragm: the soft TPU has a larger width and offers a larger extension of low frequencies. The titanium coating is lighter and more responsive and accurately reproduces details in the mid and high frequency range. High definition audio: HONOR Choice earbuds S7 supports LDAC high-definition audio decoding with a maximum transfer rate of 990 kbps. It achieves lossless 96kHz/24bit audio transmission and is Hi-Res certified. Rich audio detail without compromise, so you can enjoy Hi-Fi audio quality at any time. Smart active noise cancellation 2.0: the HONOR Choice Earbuds S7 have been upgraded with Smart Noise Cancellation 2.0, with full-fledged adaptive noise cancellation. When wearing, the earbuds monitor dynamic changes in noise cancellation and usage conditions in real time. The earphones can easily deal with various noisy environments. Call noise cancellation with AI with three microphones: Hybrid noise cancellation with three microphones and deep neural network (DNN) algorithm significantly reduces ambient noise during calls and ensures that the voice remains clear and loud even in noisy environments.