Welcome to the store! 1. ENC Noise Reduction: The single-sided headset features a built-in HD microphone that can be rotated as needed, providing clear voice transmission. It ensures clear conversations even in noisy environments. 2. Comfortable to Wear: These telephone service headsets offer an ultra-light wearing experience. Soft ear cushions and a flexible headband prevent ear strain, ensuring lasting comfort. 3. Easy to Use: The wired single-ear headset uses a 3-section single 3.5mm connector for plug-and-play simplicity, requiring no drivers. It supports speaker volume adjustment and microphone muting. 4. Flexible and Durable: Constructed with robust materials, this customer service headset ensures outstanding performance and durability. The long headphone cable provides flexibility for mobility. 5. Wide Compatibility: The mono business headset is designed for devices with a 3.5mm headset jack. It's ideal for home, office, call centers, telemarketing, insurance, customer service, teleconferences, and more. Item Type: 3.5mm Business Headset Material: ABS Color: Black Type: Monaural Plug: Single 3.5mm Function: Calls, speaker volume adjustment, microphone mute Scope of Use: For devices with 3.5mm headphone jacks 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: Directionality: Uni-directional Sensitivity: -40±2dB (2.0V, 2.2KΩ, 1KHz) Distortion: ≤5% (at 4.5V 2.2KΩ 1KHz) Frequency Characteristics: 200Hz-6KHz Current Consumption: 100-500υA 1 x 3.5mm Business Headset 1 x Instruction Manual Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!