OverviewThe OnePlus Buds Z is one of the most versatile true wireless product among our headphone offerings at the moment. Each earbud incorporates an advanced 10mm dynamic driver, ensuring deep, defined bass. One full charge allows for all-day use by providing a class-leading 20 hours worth of battery life - up to 5 hours in the earbuds and an extra 15 hours in the case. Also, 10 minutes of fast charging equals an impressive 3 hours worth of playtime. Focusing on versatility, the Buds Z is built for most occassions. Being IP55-certified, this ensures resistance to watersplashes and sweat. Hydrophobic nano-coating repels water, providing protection from corrosion. With the buds weighing in at 4.3 grams, you won't even notice they are there during the most extreme sessions in the gym. Like it's predessor, every time you open the case, the Buds Z connects immediately with your phone to allow some of the most fluid music / call experience. Alongside Bluetooth 5.0 technology, dual-microphones (per bud) and the OnePlus noise-reduction algorithms, the true wireless shall offer exceptional call experience.