The CW430B Wired Earphone has "Clear - Balanced - Rich Bass sound output. Acoustically tuned by the best in the industry sound experts, the CW430B sound output is specifically designed for the Indian user keeping it Low frequency Bass rich and yet provides great clarity for all genres of music. The sound is balanced, punchy and drastically reduced distortion at high volumes. The Bass is just high enough to not make sound blurred and cloudy. Enjoy listening to crystal clear mids and highs. The light Polycarbonate earphone design gives a sporty and urban look & feel. CW430 has special air vents to amplify deep bass rhythms and beats. Designed with comfortable silicone earbuds and secure-fitting Earfins for running & workouts, these In-Ear Headphones provide the ultimate music for active and daily use music listening. In the box are 3 different sized earbuds to suit all users, choose the right eartip size for best fit and Passive noise cancellation (Noise Isolation). Multi Function Button Usgae: 1 click for Play/Pause, 2 clicks for Next Song, 3 clicks for Previous Song.