- Bluetooth / NFC / USB - Touch keys - Headset connectable - Long standby time

- Ideal for video-telephony - Remote control - Long wearing comfort - USB sound card - HD audio - Busylight

- Ideal for video-telephony - Remote control - Long wearing comfort - USB sound card - HD audio - Busylight

- Double-sided - USB-A (for phone and/or PC/MAC) - 3.5mm (laptop and/or smart device) - Noise-cancelling microphone - In-line call control - Leatherette ear pads

- Double-sided - USB-A - Noise-cancelling microphone - In-line call control - Foam ear pads

- Single-sided - USB-A - Noise-cancelling microphone - In-line call control - Foam ear pad

- 5-inch capacitive touch color LCD screen (720 x 1280) - Built-in 3-microphone array - 20-foot (6-meter) and 360-degree microphone pickup range (8+ participants) - USB-A and Micro-USB Ports - Bluetooth 4.0...

- 5-inch capacitive touch color LCD screen (720 x 1280) - Built-in 3-microphone array - 14-foot (4.2-meter) and 360-degree microphone pickup range (Up to 8 participants) - USB-A and Micro-USB Ports -...

- 5-inch capacitive touch color LCD screen (720 x 1280) - Built-in 3-microphone array - 20-foot (6-meter) and 360-degree microphone pickup range (8+ participants) - USB-A and Micro-USB Ports - Bluetooth 5.0...

- Touch screen 7" multi-touch LCD display - Poly audio technology - Two Gigabit Ethernet ports - 2 USB ports (Type A + C) - Bluetooth 4.2 - Wi-Fi (2.4Ghz & 5Ghz) - PoE powering

- Touch screen 5" multi-touch LCD display - Poly audio technology - Two Gigabit Ethernet ports - 2 USB ports (Type A + C) - Bluetooth 4.2 - PoE powering

- Touch screen 5" multi-touch LCD display - Poly audio technology - Two Gigabit Ethernet ports - One USB port (Type A) to connect a headset - PoE powering

- Bluetooth (v4.1) - Binaural / Stereo - Active noise canceling technology - USB Bluetooth adapter included - Up to 98 ft/30m range - Up to 12 hours talking - Hearing protection - Magnetic desktop...

- Bluetooth (v4.1) - Binaural / Stereo - Active noise canceling technology - USB Bluetooth adapter included - Up to 98 ft/30m range - Up to 12 hours talking - Hearing protection - For Softphone on...

- Bluetooth (v4.1) - Binaural / Stereo - BT600 USB Bluetooth adapter included - Up to 98 ft/30m range - Up to 12 hours talking / 13 days standby time - Hearing protection - Certified for Microsoft Skype...

- Bluetooth (v4.1) - Monaural - BT600 USB Bluetooth adapter included - Up to 98 ft/30m range - Up to 12 hours talking / 13 days standby time - Hearing protection - Certified for Microsoft Skype for...

- Hi-Fi stereo with passive noise reduction - Connectivity to smartphone and tablet via 3.5 mm -  Leatherette ear cushions fold flat - Carrying case for easy storage and portability - Intuitive inline...

- Connectivity to smartphone and tablet via 3.5 mm - Leatherette ear cushions fold flat - Carrying case for easy storage and portability - Intuitive inline controls (answer/end/volume/mute) - PC wideband audio...

- Hi-Fi stereo with passive noise reduction - Intuitive inline controls (answer/end/volume/mute) - PC wideband audio with noise-canceling microphones - For SoftPhones (Skype, Xten, eyeBeam,...), on PC/MAC via...

- Intuitive inline controls (answer/end/volume/mute) - PC wideband audio with noise-canceling microphones - For SoftPhones (Skype, Xten, eyeBeam,...), on PC/MAC via USB Plug - Optional USB-C version (use...

- Certifed for Skype for Business - Sennheiser HD voice clarity - Noise canceling microphone - High-Comfort - Solid construction - Dual-sided wearing style - Bendable boom arm - ActiveGard™ - Peace...

- Certifed for Skype for Business - Sennheiser HD voice clarity - Noise canceling microphone - High-Comfort - Solid construction - Single-sided wearing style - Bendable boom arm - ActiveGard™ - Peace...