What’s in the box: 1 pair JBL C200SI headphones 3 sets of ear tips (S, M, L) 1 Warranty and safety card Technical Specifi cations: Driver size: 9mm Frequency range: 20-20kHz Impedance: 16±3.2 ohms Driver sensitivity: 100±3dBSPL, 1mW Maximum SPL: 5mW Rated power input: 3mW Cable length: 1.2M Plug: 3.5mm