Hot Sale Multimedia Headphone with Microphone for all PC 1. colorful or pantong color 2. promotional headphone 3. super bas Hot Sale Multimedia Headphone with Microphone for all PC1. colorful or pantong color2. promotional headphone3. super bass sound4. beautiful package Speaker: φ40mmSensitivity: 105dB S.P.L at 1KHzImpedance: 32ΩFrequency Respense: 20Hz-20,000HzRate Power: 3mWPower Capability: ...