https://www.cnet.com/news/tv-manufacturer-tcl-now-does-headphones-at-ces-2019/ > The MTRO line looks like it's going after Beats fans with a "powerful bass driver with extended low sound frequency" as well as a "comfort-fit noise isolating design [that] ensures the bass performance is further enhanced". The MTRO line features both in-ear and headband styles in wired and wireless options. > For active users the company has the ACTV headphone. This is an IPX4 rated (protection from sprays and splashing of water in all directions) in-ear which is made of "sweatproof materials". Both wired and wireless options use a "secure-fit" hook design.