In-ear headphones feature an ergonomic design, stabilizing ear hooks, and 5 different sizes of ear gels to ensure an all-day comfort Bluetooth 5.0 technology delivers a smooth, reliable connection with a 33-foot range, for a truly wireless experience Sound-isolating technology blocks out unwanted noise while Awareness Mode allow you to tune into your surroundings Latest chipset technology, three equalizer sounds modes, and the Powerful Bass technology provide a rich, lifelike sound for an immersive listening experience Built-in mic with a vivid voice technology allows your voice to come through loud and clear Battery delivers up to 9 hours of playtime on a single charge and up to 54 total hours with the included Qi wireless charging case IPX7-rating resists water so you can wear the earbuds to the gym, in the rain, or virtually anywhere else your adventures take you