Lenovo Wireless VoIP Teams Headset - Wireless Connectivity, Bluetooth Connection Type, Up to 60 Hours Play Time, 20Hz to 20kHz Frequency, 40mm Driver, 32 Ohm Impedance, USB Digital Audio, TEAMS Button Power on/off, 3 Microphones for ENC, 640mAh Battery Capacity, Up to 2 Hours Charging Time, Retail Box, 2 Years Warranty.
