<b>One Step Pairing</b><br> Pick up 2 wireless earbud from Charging Box They will Connect Each Other Automatically, then Only one step easily enter mobile phone bluetooth setting choose "C5S" to pair the earbuds.<br> <br> <b>Passive Noise Canceling</b><br> earbud headphones can block out most of surrounding noises. You will be out of kinds of noise and get into the fantastic world of music with the sound quality of C5S.<br> <br> <br> <b>Multi-Mode</b><br> Stereo mode: Enjoy the HD stereo rhythm, especially for the deep and rich BASS. <br> Mono mode: You can use the left or right side separately to connect different devices.<br> <br> <br> <b>IPX8 Waterproof Effect</b><br> Certificated with IPX8 waterproof level, a great sense of security is given to you even if you bring it out for outdoor activities. Whether you are a sport lover,<br> frequent gym visitor or fascinating about all sort of exciting activities, Donerton workout headphones is definitely the ideal earbuds which can easily withstand sweat and water and provide studio-like music quality.<br> <br> <br> <b>Better Connectivity</b><br> With high-performance chip and antenna, these wireless earphones offer extended range and fewer dropouts, and stay connected as you keep moving.<br> <br> <b>Ultra-high Battery Capacity and Duration</b><br> The ultra-high capacity of the charging case able to provide extra 30 times recharge for the earbuds. The everlasting power multiple the playtime up to 150 hours,<br> enable you to consistently enjoy the music for a whole month with 5-6 hours of daily use and no need for charging. It can also be used as an alternative power bank for your smart phones or other devices.<br> <br> <b>Easy to Control</b><br> Previous Song:Press button twice of Left earbud<br> Next Song:Press button twice of Right earbud<br> Play/ Pause: Press button once of one earbud<br> Volume -: Hold the button of Left Earbud<br> Volume+:Hold the button of Right Earbud