Jabra Evolve 40 II Stero On Ear Headphone USB Specifications: PLUG AND PLAY NO ADDITIONAL DRIVERS REQUIRED GREAT QUALITY SOUND HIGH QUALITY AUDIO ENHANCEMENTS CAN BE USED FOR CALLING 3.5 MM CAN SEEMLESSLY CONNECT TO ALL DEVICES SUCH AS LAPTOP ,DESKTOP ,MOBILE PHONE ETC WITH EASE. Ultimate noise cancellation microphone GREAT SOUND FOR CALLS AND MUSIC