- Foldable design- Durable carrying case- Detachable, tangle-free cables- Driver: 40mm (dynamic range)- Sensitivity: 105 +/- 3 dB- Rated power: 20mW- Max power: 60mW- Impedance: 32 ohm +/- 15%- Frequency response: 20-20Khz- 6.3mm adapter included- Flat ca