✓ Use to listen to music/conversation on the Internet from your computer, notebook.
✓ Used to listen to music from the phone
✓ Computer headphones + microphone (Noise Canceling System)
✓ Bass, soft sound, comfortable listening
✓ Speaker size 40 mm.
✓ Frequency 20 HZ- 20KHZ
✓ Microphone sensitivity -54dB+-2dB
✓ Length of cable 150cm
✓Equipment inside the box: Computer headphones with mic, 1 pc.