Wietus 760 3.5mm Stereo In-Ear Noise-Isolating Headphones with Mic+ Portable Mini Round Hard Storage Case Bag for iPhones, iPods and iPads, Android Devices - White Headphone+Portable Mini Round Hard Storage Case Bag, 3 Inches in diameter for the earphone bag, earbuds, you can put your data cable and earphone U-stick in it Frequency Response: 4 - 24,000 Hz, dual Driver for Better Bass Response and Acoustic Performance Soft silicone ear buds to provide comfortable, noise reducing fit Compatible with iPhones, iPods and iPads, mp3 players, CD players and more Gold-plated 3.5 mm audio jack for premium, no-loss sound connection to your audio device