Elegant looks, excellent sound quality and impressive quality. This is the product for demanding customers.Perfect solution for smartphones and tablets< br> Main advantages:Extra Bass System. Comfortable headband. Modern design. High quality workmanship. Technical details:Speaker driver unit: 30mmFrequency response: 20-20KHz Sensitivity: 116±3dBImpedance: 32Ohm ±15%Maximum input power : 100mwConnectors: mini jack 3,5mm