STAR ADJUSTABLE STEREO HEADPHONES (Sky Blue) Powerful Bass-Digital-Volume Control-Ergonomic, Stylish-Design 1 Pair Of SKY BLUE YUNNA Black Headphones, With A Star On The Outside Of The Ear Cushion, Making The Headphones Very Stylish. These Stereo Headphones Can Be Plugged Into A Phone, Ipod, Computer, Laptop, Gaming Devices, etc. Powerful Bass, Ergonomic Design, Volume Control, Hight-Quality Sound, Digital. Easy to use and no batteries needed. Just plug the headphones into any device you'd like, then place the headphones over your ears, and now they're ready to be used. Enjoy First-Class performace and excellent sound quality. Drive the synthesis of polyester film material composition with high sensitivity to ensure sound out put without distortion. Remember, you control the volume, threfore you may adjust the volume to your liking. Vocal tuning the design and a good drive to ensure you get the best audio performance.