Quick overview from the supplier:
Edifier W830NB Sand White / Wireless and Wired Over-ear headphones with AI noise cancellation microphone, Hi-Res Audio, Hi-Res Audio Wireless, Bluetooth 5.4, LDAC/AAC/SBC, USB-C (audio), 20Hz-40kHz, Multi-point Connection, Battery Lifetime (up to) 94 hr, charging time 1.5 hr, EDIFIER ConneX app
