Features: In-ear headphone with two dynamic driver units provides natural clear sound and super enhanced bass. Noise Isolating in-ear design blocks ambient noise to help you focus on listening pleasure. High-quality in-line microphone and remote allow seamless control of phone calls, music and volume. 3.5mm headphone is suitable for smart phone, Tablet PC, Laptop, MP3 and other 3.5mm audio devices. Ear fit design, comfortable to wear, not easy to fall, suitable for sports and daily use.