Brand Name: FENGRU Model Number: AA-0122 Sensitivity: 95dB Function: For Mobile Phone,HiFi Headphone,For iPod Support Apt-x: No Style: In-Ear Waterproof: No With Microphone: No Support Memory Card: No Resistance: 16Ω Connectors: 3.5mm Communication: Wired Frequency Response Range: 20-20000Hz...