JBL - Wireless Earphones T520BT, blue

JBL Tune 520BT - with microphone, over-the-head, on-ear, passive noise cancellation, sealed design, Bluetooth 5.3, to PC, track switching, call answering, with volume control, frequency range 20-20000 Hz, sensitivity 102 dB/mW, impedance 30 Ohm, transducer 33 mm, battery life up to 57 h