Small In-ear headphones. They have dual hybrid configuration with dynamic graphene driver. They offer great sound insulation that greatly dampens ambient noise, high wearing comfort and great sound with balanced bass frequencies and bright, open heights. They are equipped with a metallic design with a slim profile, ergonomic earpads with curved edges. They also have a built-in 1.25 m long cable with a 3.5 mm jack connector. Power: 5 mW, Sensitivity: 100 dB, Impedance: 32 Ohm, Frequency Response: 20 Hz - 20 kHz, Weight. 14 g, Color: Black