Cheapest new style stereo computer headphones with mic

Specifications of stereo computer headphones with mic:

1. Bluetooth version V2.1+EDR
2. support for hands-free calls
3. more than 6 hours of continuous work
4. standby time : about 300 hours
5. built-in lithium battery and
6. battery capacity: 400mA
7. supports music playback (SD card, MP3, FM FM)
8. charging time: 2+ hours
9. product specifications (mm): length: width: 90 high: 145 1729 gross weight: 320.8g

Features of stereo computer headphones with mic:

Pictures of stereo computer headphones with mic:

stereo computer headphones with mic