Panasonic RZ-B310WDE-K In-Ear Headphones, True Wireless, Hybrid Noise Cancelling, IPX4, Bluetooth® 5.3, 16-hour battery life, 10 mm driver, Black The new Panasonic RZ-B310W wireless headphones are designed for people on the move who don't want external noise to ruin their music or call experience. They feature XBS technology to also deliver impressively powerful bass. Features Hybrid Noise Cancelling System Using both feed-forward and feed-back, with microphones both outside and inside, the B310W headphones cancel out distracting ambient noise. They are ideal for travel, eliminating repetitive background noise on planes, trains and buses. Ergonomically designed Using an "Ergofit" canal-type structure, the B310W wireless headphones fit comfortably and securely. This helps keep them, and your tunes, where they belong - in your ears. Take your sound to the next levelThe combination of 10mm dynamic drivers and XBS (eXtra Bass System) technology allows the B310W to have deep bass - for rich and harmonious sound. Energy from morning to nightWith a battery life of up to 5 hours on the headphones themselves (even with noise cancellation activated) and an additional 11 hours of charge in the compact charging case, the B310W can keep you going with music and conversation on the go. Built for the real worldMade to the IPX4 water resistance standard, the B310W are just as comfortable during an intense workout in the gym as they are outside in the rain. Fast and secure connectionUsing Bluetooth® 5.3 wireless technology, the B310W are capable of delivering long-lasting, high-quality audio performance for both calls and music. Easy touch controlThe B310W has touch sensors on both earbuds, so you can instantly switch between calls and music. You can also select functions such as activating noise cancellation, ambient mode or skipping songs. Voice assistanceWith compatibility with both Google Assistant and Siri, the B310 are ready for today's smartphones. A quick tap on an earbud with an "activation formula" will bring your chosen digital assistant to life. Compact designWith up to 11 hours of battery life in the carrying case and fast charging via USB-C, the B310W earbuds are always ready to go. Thanks to the compact curved shape of the case, it is easy to carry in your bag or pocket.