Headphones Koss KEB / 15i Teal (24 months warranty):Headsets with a modern look, high-quality sound and a microphone for making calls don't have to cost a fortune. The Dynamic headphones have a frequency range from 18Hz to 20kHz. As a result, you can perfectly enjoy pure sound accompanied by great bass. Together with a volume of up to 110dB, they guarantee to accurately reproduce sound. The silicone earbuds are supplied in three sizes so that you don't have to worry whether they will fit perfectly or fall out. They also isolate ambient noise, which will appeal greatly, especially when using public transport. The cable is 120cm long and has controls to start and end calls with the microphone.Key features of Koss KEB 15i teal headphonesUnique 45-degree KEB15i back plateThe Koss headphones have a quality, one-touch microphone3 different size earplugsInnovative Angle Port