OVLENG V8-1 Over-Ear Stereo Bluetooth 4.0 + EDR Headband Wireless Foldable Headset Built-in Microphone Headphone for PC, Laptop, Mobile Phone Up to 10 hours of battery life - 40mm drivers - impedance: 32Ohm - frequency response 20-20.000Hz - sensibility 106db+3db - polymer Lithium battery you can control volume - tracks and many more From the easy access - sensibility buttons located in the front right of the headphones. Stereo headphone with quality hd sound & Built-in HD microphone for hands-free calling or voice recording, 6-8 hours Music playtime, 10 hours talking. You can enjoy music when you are running, cycling, playing and get rid of the lines plagued. Highly tuned 40mm neodymium drivers produce provide Pitch Perfect audio with a thumping bass and detailed high end, built in microphone adopts noise canceling technology to obtain the high quality voice input, Bluetooth headphones built-in mic for hands-free functionality - transmission distance up to 10 meters - omnidirectional microphone that picks up your voice without having to talk directly - hands free functionality - let you chat using any of actual applications as Skype, VoIP phone services, Cisco jabber MS Lync - let you convert any smartphone or Bluetooth device OVLENG v8-1 wireless Bluetooth headphones, foldable & adjustable headband for comfort and secure fit. Line-in function, equipped with audio cable(for free). If not working properly with PC, download a drive from (bluesoleil) which will easily solve the problem. If not, then have an additional Bluetooth dangel and install the driver.