Product Description Ture Richer Bass HD sound With the upgraded acoustic components, Otium's Audio Bluetooth Headphones provide you rich dynamic bass and crisp clear treble. IPX7 Waterproof Protection Nano-coating efficiently prevents water and sweat from penetrating and damaging its sensitive component. Working properly for workouts in the sun or for songs in the rain. Perfect for exercises. Multi-Function Button On The Headset Otium's advanced technology allows Skip/Play/Pause on your music tracks as well as all phone use be Controlled by buttons on the headset without reaching your phone during your workout Strong and Stable Connection The latest CVC 6.0 chip, transmits lossless high-quality sound, ensures fast and seamless connection without audio delay, makes the music and calls smoother. Portable Headphones for Running The Bluetooth headphones weighs only 20 grams and is very lightweight and portable. Can be worn in any sports, especially for running headphones. More Than 8 Hours Playing Time Up to 8 hours of continuous talking / music time and up to 240 hours of standby with a single charge, so you can enjoy long lasting music and less time charging. Wherever your day takes you, Otium keeps your music.