Badasheng HS-332 In Ear Headphones ,Earbuds , Earphones with microphone , High Quality Stereo Audio Sound With Strong Bass For Smart Phones , Iphones / Tablets / Laptop PCs / Mac / MP4 / PSP Music play / pause , answering call button is convenientto you , you can answer incoming call by light press the button during music playing when you receive a phone call , music will automatically play again after you end the phone call Strong bass speakers provide high quality stereo sound It works for Smart phones / tablets / PC / PSP / MP4 During music play , double press button for next song , treble press button for previous song Sold by manufacturer.