GENUINE and ORIGINAL Packing same as Pictures. Provide Tracking Number Compact efficient speakers for powerful sound and rich bass Oval tube insert seals out noise and provides deep bass Ergonomic oval sound tube ensures optimal fit and comfort Soft silicone ear caps in 3 sizes for snug perfect fit Textured strain relief for durability and secured grip • Frequency response: 10 - 22 000 Hz • Impedance: 16 Ohm • Maximum power input: 20 mW • Sensitivity: 107 dB Connectivity • Cable length: 1.2 m • Connector: 3.5 mm stereo