The USAMS EP-42 headphones impress with their appearance and precision of workmanship. Ergonomic design makes them comfortable and comfortable to wear. The built-in remote control with a microphone makes it easy to control without using the phone. The headphones have noise reduction, so we can enjoy clear sound. The designer construction makes the headphones delight with their unique appearance. Material: PC + TPE Cable length: 1.2 m Speaker sensitivity: 101dB Impedance: 32 Ohm Frequency range: 20Hz ~ 20KHz Function: sound + calls Output: 3.5mm jack Compatible with devices with 3.5mm jack input