In-ear/earbud style headphones offer great portability and enhanced noise isolation Truly wireless design is powered by Bluetooth technology for stable wireless connection with Bluetooth enabled devices up to 33ft. Advanced active noise cancellation keeps you away from distracting surrounding noise to help you stay focused on the audio Built-in mic allows for hassle-free voice communication Gel tips offer improved comfort and a secure fit Multipoint technology lets you connect two devices simultaneously and allows easy switching between the devices Up to eight hours of battery life (earbuds) on a single charge, and 400mAh battery (charging case) make you less worried about recharging and related hassles Ten minutes quick charge provides 1.5 hours of playback IPX6 waterproof capability makes these earbuds safe and reliable against rain and sweat, so you can wear them while running, jogging, yoga, or travel