CONCEPTRONIC POLONA04BA - CUFFIE OVEREAR BLUETOOTH - MICROFONO - NOISE CANC.

Bluetooth Stereo Headset e Bluetooth Audio Adapter -- Noise cancelling microphone; All-day battery life: 30 hours (talk time) or 40 hours (music playback); Bluetooth 5.3 wireless connectivity; 270° rotatable microphone with mute button; Dual-device conne