LENOVO DUAL-MODE WIRELESS ANC HEADSET 6550 (USB-C, TEAMS)

Battery weight, kg: 0.165 | Weight, g: 165 | Bluetooth version: 5.3 | Battery recharge time, h: 2 | Battery life (max), h: 60 | Battery performance, mAh: 640 | Noice-canceling feature: Yes | Cord length, m: 1.3 | Range, m: 30 | Sensitivity, dB: 115+/-2.5 | Frequency response, Hz: 20 - 20 000 | Loudspeaker diameter, mm: 40 | Impedance, ohm: 32 | Connector(s): Bluetooth | Monaural/binaural: Binaural | Connector(s): USB-C | Bluetooth: Yes