Edifier W820BT White / Bluetooth and Wired On-ear headphones with microphone, BT Type 4.1, 3.5 mm jack, Dynamic driver 40 mm, Frequency response 20 Hz

Edifier W820BT White / Bluetooth and Wired On-ear headphones with microphone, BT Type 4.1, 3.5 mm jack, Dynamic driver 40 mm, Frequency response 20 Hz-20 kHz, On-ear controls, Ergonomic Fit, Battery Lifetime (up to) 80 hr, charging time 4 hr