Replay Audio In-Ear Earphones, Active Sport, Pre-Priced $12.99, Box With in-line microphone + volume control. Listen to your music + answer end calls. In-ear grip tip. Integrated volume control. Audio devices with a 3.5 mm connector. Remains comfortably yet securely in place, while running or exercising. Noise isolation. Stereo sound. Universal compatibility. Hiking. Running. Jogging. Cycling. Specifications: Type: Dynamic, closed. Driver Size: 40 mm. Magnet Type: Neodymium. Frequency: Normal 16-22 kHz. Low Pass: 16-5 kHz. High Pass: 200-22 kHz. Impedance: 30 Ohms. Sensitivity: 106 dB/mW. Power: 1000 mW. Compatible with: iPod MP3 Players; Smartphones mobile phones; Tablet PDA; Laptop DVD players.