Jabra BIZ 2300 Duo, 2300 QD Duo, 2300 QD Mono, 2300 QD Siemens Duo, 2300 QD Siemens Mono, 2300 USB Microsoft Lync Duo, 2300 USB MS Mono, 2300 USB UC Duo, 2300 USB UC Mono, 2400 II Mono USB H, 2400 II Mono USB UC BT, 2400 II QD Duo NC, 2400 II QD Duo NC Wideband, 2400 II QD Duo NC Wideband Balanced, 2400 II QD Duo UNC, 2400 II QD Mono NC, 2400 II QD Mono NC 3 in1, 2400 II QD Mono NC 3-in-1 Wideband, 2400 II QD Mono NC 3-in-1 Wideband Balanced, 2400 II QD Mono UNC 3-in-1, 2400 II USB Duo BT, 2400 II USB Duo BT MS, 2400 II USB Duo CC, 2400 II USB Duo CC MS, 2400 II USB Mono BT, 2400 II USB Mono BT MS, 2400 II USB Mono CC, 2400 II USB Mono CC MS |