2BOOM Professional Sound Comfort Wired Earbuds with Microphone and Volume Control White 2BOOM(TM) EPM100W EPM100 Professional Sound Earphones with Microphone (White) Specifications: ? Flat wire? Tangle-free? In-line remote microphone? Ultrasoft? Ergonomic design for maximum comfort? Highly sensitive to accentuate low tones for clear &amp; realistic optimum sound quality? Simple multifunction buttons? Speaker size: 13.5mm ? Freq resp: 20Hz-20kHz? Sensitivity: 104dB (+/-3dB)? Imp: 32ohm ? Cable length: 47"? White UPC : 700729526590 Shipping Dimensions : 6.50in X 3.00in X 1.00in E