Listen to your favorite tunes with this wireless active noise canceling bluetooth headphones designed with the latest Bluetooth 4.0 technology. This multifunctional pair of headphones will deliver amazing sound quality and lasting comfort. Featuring a lithium ion battery that will give you up to 12 hours of uninterrupted playtime, and charges completely in only 3 hours. This wireless active noise canceling bluetooth headphones headphones come with a usb cable for charing,and a 3.5jack audio cable for used as a normal wired headphone, as well as exclusive package.
  
   1,Turn on: In the state of power-off,press and hold the power button,the Bluetooth headphone will send out "power on"prompt voice,and blue LED will be on

2, Turn off: In the state of power-on,press and hold power button for 5 seconds,the bluetooth headphone will send out "power off"prompt voice,and red LED will be on,Now the unit is turned of 

3,Pairing: In the state of power-off,press and hold power button for 3 seconds,untill the red LED and the blue LED lingt glitters in turn,and the bluetooth headphone will send out "read to pair"prompt voice,the headset eners into pairing mode,in this case,the heaset can be paired with the bluetooth enabled devices.

4,Answering calls:Press the power button once to answer the incoming calls. 

5,Ending calls:Ongoing conversation on cellphone can be ended by pressing the power button once

6,Volume control: In the state of music or calls,press volume up button to increase the sound, press volume down button to decrease the sound.

7, Pause/play:Press the power button to play or pause the music. 

8, ANC control:Press the ANC(active noise cancelling ) power button to turn on or turn off the ANC(active noise cancelling ) fuction 

9 Premium sound- Uncompromising sound quality. 40 mm drivers for excellent bass, precise treble and clear mid tones. You'll hear every satisfying note of your music at its best.

10 12 Hour Lithium-ion rechargeable battery- Enjoy hours of uninterrupted music, podcasts, phone calls and movies before the next charge.

11 On Board Controls- Control your music quickly and easily with controls located on the headphone.

12 Easy Pairing- Pairs easily, no code required

13 3.5mm Aux input- Includes and a 3.5mm stereo cord for quick and easy connections to devices without Bluetooth.