Earphones that are wired JR-EC03 model Half-in-ear type Speaker: 14.2 mm Range of frequencies: 20 Hz–20 kHz Impedance of the speaker: 16±15%Ω 95±3dB is the sensitivity. Power rating: 3 mw Maximum power instantaneous: 5 mw Length of cable: 1200±30 mm Composition: TPE cable Type-C port 15g is the net weight.