Feature:1. NOISE REDUCTION: With noise reduction microphone, it can be twisted at will, even in a noisy environment, it can provide high definition dialogue, with less noise and clearer sound.2. COMFORTABLE: Provide you with an ultra light wearing experience, soft ear cushions and flexible headbands, will not cause any burden on your ears, concentrate on conversation, long lasting comfort.3. EASY TO USE: Professional telephone headset, plug and play, no need to drive, easy to use, binaural design, with sufficient headset cord length, allowing you to move more flexibly.4. ULTRA DURABLE: This business headset adopts a sturdy structure design and is made of high quality ABS material to ensure super performance and make it durable.5. COMPATIBLE: Compatible with devices with a 3.5mm headphone jack, it is an ideal choice for home, office, call center, telemarketing, customer service, teleconference, etc.How to Use:Plug and play.Specification:Item Type: Telephone HeadsetMaterial: ABSModel: H360D-3.5Color: BlackType: BinauralPlug: 4 Sections Single 3.5mm/0.1in (Small Straight Head)Function: CallScope of Application: Used for Devices with 3.5mm/0.1in Headphone JackSpeaker Parameters:Sensitivity: 105±3dB (at 178mV 1kHz)Voice Coil Impedance: 150±15Ω (at 1kHz)Frequency Characteristics: 100Hz-10kHzDistortion: ≤5% (at 178mV 1kHz)Microphone Parameters:Directivity: Single PointSensitivity: -40±2dB (2.0V, 2.2KΩ, 1kHz)Distortion: ≤5% (at 4.5V 2.2KΩ 1kHz)Frequency Characteristics: 200Hz-6kHzCurrent Consumption: 100-500µA Package List:1 x Telephone Headset