• Great for iPodTM, iPhoneTM, MP3 player, iPadTM and more • Driver diameter: 10mm • Frequency: 20Hz-20KHz • Plug type: 3.5mm • Cord length: 4ft (1.2m) • Acoustic chamber • Flexible ear-hooks • For active users • Custom fit Listen music with amazing clarity with the Sentry Flexible Stereo Earbuds. These stereo earbuds come with an over-the-ear design. Its clip on and portable style lets you have it worn comfortable anytime, anywhere. Its 3.5mm mini-jack guarantees that you will only hear the purest sound possible as it gives stable connection to your phones or music players. They are made of silicone making them flexible to wear and are designed for noise reduction.