Go Wireless or Wired : Muffs M2 gives the choice of going wired or wireless with bluetooth version 5.3 and an AUX 3.5mm port. So connect your android/iOS smartphone or PC/Laptop. Long Playtime : The headphones wireless come with a playtime of 40 hours so you can finish not episodes but full seasons with Muffs M2. It has a type C charging port and in 10 minutes of charge it provides a playback of 10 hours. Comfortable : This is what comfort sound like plush memory foam on earcups and headband. The earphones are flexible and foldable. Mighty Sound : The headphones with mic have dynamic 40mm drivers amplify bass and treble to make your audio/video content more lit. Warranty: 12 Months Warranty Importer/Manufacturer/Packer : Portronics Digital Private Limited, Ground Floor and First Floor, Property No. D 8 Upper Basement, Sector 8, Noida, Gautam Buddha Nagar, Uttar Pradesh, 201301