U&i Prime Buzz 1 True Wireless earphone is the latest advanced TWS stereo earbuds that come with unbelievable 100 hours of music playtime with a power bank feature. Longer battery life designed for use while you jog, run, walk or in the gym. U&i Prime Buzz 1 comes with the latest Bluetooth v5.0 technology that provides faster pairing, more stable connection and signal transmission. The wireless earphones are widely compatible with Bluetooth-enabled devices. A sleek and compact body that lets you carry music with you in a pocket.