Brand New Sweatproof Wireless Bluetooth V4.1+EDR Sport Earphones/Headphone with Stereo HD Voice/Mic and FREE Zipper Carrying Bag. We have just launched our Amazon store, and we are so exited to have this amazing Headphone for special price for a limited time, Original price was $29.99 and for a limited time will be $8.99. Please contact us if you have any question regarding this item, again thanks for your business. Your satisfaction is our first priority. Product Instruction: *Power: Press the power button for 2-3 seconds, along with red and blue lights, boot into the back even state. *Power Pairing: Press the power button for 5-6 seconds, along with red and blue lights, after flashing red and blue alternately into pairing mode. *VOL +: Press the volume + button for 2 seconds, add up the volume a maximum sound, a warning sound. *VOL-: Press Volume - button for 2 seconds, cut down the volume a minimum sound, a warning sound. *Previous: Press VOL+. *Next: Press VOL-. *Telephone Answering: when to call, press the power button. *Refused to answer: when to call, press the power button for 2 seconds. *Redial last telephone number: double-click on the standby power button. *Charging: red light when charging, fully blue lights.NSN Pro Tech Co