Features: - Speaker: 40mm (Diameter) - Freq Range :20-20000Hz - Sensitivity: 105dB - Impedance: 32 Ohm - Maximum Power Input: 100mW - Detachable Cable :3.5mm stereo & 1/4? Jack Adapter - Cable Length: 1.5m Specifications: - Weight: 1 kg - Dimensions: 40 × 30 × 8 cm What's in the box 1x Headset 1x Cable 1x Carry Bag