Product Features:
1. Noise canceling headphones with built-in high definition microphone
2. Ergonomic design for ultra light wearing experience
3. Easy to use with one button for answering calls
4. Ultra durable RJ9 earphones with headphone cord
5. Ideal for call centers, online courses, Skype chats, conference calls, etc.

Product Specification:
- Item Type: Headphones
- Material: ABS
- Colour: Black
- Type: Binaural
- Plug: RJ9
- Function: Call
- Scope of Application: Compatible with Landline Phones or Cordless Dect Phones with RJ9 Headphone Jack

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: 100-500υAP

Package List:
- 1 x Telephone Headset