DGHP-5721 845620057214 “EM-55 – 25 PIECE DISPLAY TRAY • Durable, tangle-free 4 foot flat cable. • Inline slider volume control. • Music controls in line for track change and play/pause. • Built-in microphone for phone calls and volume control slider. The 25 pieces include 10 pcs of DGHP-5715 (black) and 5 pcs each of these 3 colors: DGHP-5718 (blue), DGHP-5719 (green) & DGHP-5733 (red).”