Poly BackBeat GO 2, Wireless, 20 - 20000 Hz, 0.494 oz (14 g), Headset, Black
Poly BackBeat GO 2. Product type: Headset. Connectivity technology: Wireless, Bluetooth. Headphone frequency: 20 - 20000 Hz. Wireless range: 393.7" (10 m). Weight: 0.494 oz (14 g). Product color: Black