Package Contents: 1* G20 3.5mm Sport Earphone 1 Set Small Ear Tips 1 Set Mediun Ear Tips 1 Set Large Ear Tips 1 Cord Clip 1 Set Ear Hanging Specifications: Frequency Response Range: 20Hz-20KHz. Resistance: 32?+15% Sensitivity ( 1KHz ): 102 + 3db ( Maximum 1KHz ) Input Power: Maximum 5mA Drive …