Conceptronic Polona04BA Auriculares Inalámbricos Con Adaptador USB s

Noise cancelling microphone ensures clear hi-fi sound for hands-free phone calls All-day battery life: 40 hours talk time or 44 hours music playback Wireless Bluetooth 5.3 connectivity; Bluetooth profile: A2DP / AVRCP / HFP / HSP 270 degree rotating microphone with mute button Dual device connection for simultaneous use of two Bluetooth devices