Feature:1. HD MICROPHONE: Call center headphone has a built in HD microphone that can be twisted at will to make your voice loud and clear, providing clear conversations even in noisy environments.2. ULTRA LIGHTWEIGHT: Computer headset features soft ear cushions and a flexible headband that won't weigh down your ears. Ultra lightweight design ensures you stay focused on your conversation.3. PLUG AND PLAY: Telephone headset with USB plug, plug and play, no driver required, easy to use. Support speaker volume adjustment, volume one touch mute, microphone mute.4. RUGGED CONSTRUCTION: Business headset is designed with rugged construction and ABS material to ensure superb performance and make it durable. Long headphone cable provides flexibility of movement.5. APPLICABLE RANGE: Customer service headphone is suitable for devices with USB port, ideal for home, office, call center, telemarketing, insurance, customer service, teleconferencing, etc.Specification:Item Type: Telephone HeadsetModel: X6D USB 2Material: ABSColor: BlackType: BinauralPlug: USB InterfaceFunction: Call, Support Speaker Volume Adjustment, Volume One Key Mute, Microphone MuteScope Of Application: Applicable To Devices With USB InterfaceSpeaker Parameters:Sensitivity: 1053dB (At 178mV 1KHz)Voice Coil Impedance: 15015 (At 1KHZ)Frequency Characteristics: 100Hz-10KHzDistortion: 5% (At 178 MV 1KHZ)Microphone Parameters:Directivity: Single PointingSensitivity: -402dB (2.0V, 2.2K, 1KHz)Distortion: 5% (At 4.5V 2.2K 1KHZ)Frequency Characteristics: 200Hz-6KHzCurrent Consumption: 100-500A.Package List:1 xTelephone Headset1 x Instruction Book