Welcome to our shop! This USB Business Headset is designed to provide you with a high-quality and comfortable communication experience. Featuring a built-in high-definition microphone, this headset ensures clear and loud voice transmission. It is equipped with noise reduction technology, allowing for clear dialogue even in noisy environments. The microphone can be twisted to your preferred position, ensuring your voice is heard clearly. Designed for all-day comfort, this headset is ultra-lightweight and features soft ear cushions and a flexible headband. You can wear it for extended periods without feeling any discomfort or burden on your ears. This black USB single ear customer service headset is easy to use, simply plug and play. It is compatible with devices that have a USB interface, making it ideal for home offices, call centers, telemarketing, insurance, customer service, online courses, Skype chats, conference calls, and more. Made with high-quality materials, this headset is built to last. It has a sturdy structure to ensure excellent performance and durability. The long headphone cord provides flexibility of movement, allowing you to move freely while wearing the headset. We prioritize customer satisfaction. If you encounter any product problems such as damage or incorrect quantity upon receiving the goods, please contact the seller immediately. We will do our best to provide you with satisfactory after-sales service. Specifications: - Item Type: USB Business Headset - Model: H360D-USB - Material: ABS - Color: Black - Type: Single Ear - Plug: USB - Scope of Application: For devices with a USB interface Speaker Parameters: - Sensitivity: 105±3dB (at 178mV 1KHz) - Voice Coil Impedance: 150±15Ω (at 1KHz) - Frequency Characteristics: 100Hz-10KHz - Distortion: ≤5% (at 178mV 1KHz) Microphone Parameters: - Directivity: Single Point - Sensitivity: -40±2dB (2.0V, 2.2kΩ, 1KHz) - Distortion: ≤5% (at 4.5V 2.2kΩ 1KHz) - Frequency Characteristics: 200Hz-6KHz - Current Consumption: 100-500υA Package includes: - 1 x USB Business Headset 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.