UiiSii DT800 Hybrid Eight Drivers Surround Sound Hi-Res Earphones Dual Dynamic Drivers For Powerful And Realistic Bass, Dual Balanced Armature Drivers For Detailed And Clear Reproduction Of Midrange And Treble, MEMS Microphone. Include special tiny high quality case for transporting, prevents headsets damage. Hi-Res Audio Certification.

Specification: 
- Speaker diameter: 6 mm 
- Microphone 
- Impedance: 16 ohm 
- Sensitivity: 108+-3dB
- Frequency response: 10Hz - 40000Hz
- Cable length: 1.2 m 
- Connector: 3,5 mm