Latest Buletooth 4.1 technology: contributes Buletooth headset in powerful audio and amazing stereo music built-in Mic ensure Earbuds clear speech when you hands free calling.</br>Perfect workout headphones that are snug and secure so the headphones stay put while running biking or at the gym.Easy using with pushing the middle cycle button on one side</br>Perfect Hi-Fi Stereo Sound Quality in noise cancellation strengthens stereo music and wireless signal. The best Buletooth Headphones surround you in high quality and clear acoustic no matter workout in noisy environment.</br>Comfortable stay in your Ears that unique flexible design with Portable and Lightweight built-in earhook interchangeable headphones can perfect fit and remain around your ears. Headset with different 3-sizes ear buds fit your ears in packaging.</br>Long battery life allows the headphones to play up to 8 hours of continuous music at a time or 160 hours of standby time.Compatible with most of Bluetooth devices</br></br>Product Description</br></br><b>Multi-Function Button </b><br> The CX03 control system is a very simple design. Just one button controls everything.<br><br> <b>Freedom to Enjoy </b><br> Cut the cord and break away from wires with Bluetooth 4.1. You can enjoy excellent sound performance fr"m this durable?? lightweight and sweat-proof headset. Work out and stay fit with clear?? natural sound that drives you forward. <br><br> <b>Built-in Microphone </b><br> You can use Siri with a simple 'yes' or 'no' to answer or decline a phone call. The excellent sound quality allows you to hear calls clearly while avoiding cutting in and out. <br><br> <b>Long Battery Life </b><br> The built-in 150mAh lithium-ion polymer battery provides up to 160hrs of stand-by and up to an amazing 8hrs of talk time and/or music. <br> Battery life remaining indicator will be visible on your paired Bluetooth devices. <br><br> <b>Tips:</b><br> The single button controls power on/off and volume up/down. The same butto