OnePlus Bullets Z2 Bluetooth Wireless in Ear Earphones with Mic, Bombastic Bass, 12.4 mm Drivers, 10 Mins Charge, 20 Hrs Music, 30 Hrs Battery Life, IP55 Dust & Water Resistant Beam BlueAbout this item A quick 10-minute charge delivers up to 20 hours of immersive audio playback The flagship-level battery life delivers up to 30 hours of non-stop music on a single charge A large 12.4 mm bass driver delivers uncompromisingly deep bass for powerful beats. Experience incredibly rich audio detail at every frequency with the titanium coating dome Anti-distortion audio technology ensures your audio playtime stays silky-smooth. Thanks to the larger sound cavity and industry-leading algorithms, notes remain distortion-free Water and sweat-resistant, the IP55-rated internals and design ensure your OnePlus Bullets Wireless Z2 stay all-weather ready Battery Average Life: 30.0Hours Model: E305a Control Type: Call Control