Earlier in May 2020, Huawei unveiled the Huawei FreeBuds 3i wireless headphone with active noise cancellation and a maximum battery life of 17 hours. According to GSMArena , documents have recently been released showing that Huawei is working on another model of these headphones called the Huawei FreeBuds 4i, which was recently seen on the Bluetooth SIG website. These Huawei…