Edifier W820NB Plus Hybrid Active Noise Cancelling Headphones - LDAC Codec - Hi-Res Audio Wireless & Wired - Fast Charge - Over Ear Bluetooth V5.2 Headphones for Travel/Home/Office

[High Sound Quality] Equipped with a large 1.6 inch (40 mm) mantle plated composite diaphragm sound-pronounced unit that supports LDAC decoding and high resolution, giving you more music details. Transfer speed comparison: LDAC 990Kbps, Qualcomm aptX HD 576Kbps, AAC 512Kbps, SBC 328Kbps.