Takstar TS-671 HI-FI Excellent dynamic headphones will make a lasting impression on you. Headsets have a wide frequency range of 12 Hz-25 kHz. This model provides high-quality headphones, and accurate sound reproduction. & Bull; Type: Dynamic & bull; Loudspeaker diameter: & oslash; 53mm & bull; Resistance: 120 & Omega; & Bull; Sensitivity: 105dB & bull; Frequency: 12 Hz-25 kHz & bull; Power: 500mW & bull; Cable: twisted from 1,2m to 3m & bull; Connector: Stereo Jack & Oslash; + 6.3mm adapter from 3.5mm to 6.3mm