1. Brand new and high quality.
2. Built-in microphone support handsfree call function.
3. On-line chat through Bluetooth wireless transmitter.
4. Listen to MP3 music from cellphone.
5. Listen to music from PC.
6. Ideal for smart phones tablet PC Computer.
7. Faster connecting clear sound anti-interference.
8. The headband can be folded.
9. Exquisite craftsmanship and fashion appearance.