HIGH SOUND QUALITY. The clear sound reproduction and excellent voice capturing make the Sandberg USB Headset Bulk a great choice for anyone looking for high-quality headset. Enjoy the crystal-clear sound and performance with a frequency range of 20 Hz to 20 kHz. PERFECT FOR MEETINGS. Having uninterrupted calls and online meetings is now easier than ever with the Sandberg USB Headset Bulk. The build-in microphone keeps your hands free for taking notes or typing. DURABLE & LONG-LASTING. All our products are made to last with high-quality materials and exceptional care. For your peace of mind, each headset also comes with a 5-year warranty and is double quality tested. COMFORTABLE. Sitting on the computer all day? The lightweight, soft design of this over ear headset keeps the pressure of your ears and is comfortable to wear for hours. TECHNICAL SPECIFICATIONS. Connector: 1x USB A Male plug. Easy Plug and Play. 1.8 m cord length. Frequency: 20 Hz to 20 kHz.