Introducing the Guitar Mini 510-Thread Battery. Get ready to rock with the best Mini battery on the market. This battery not only delivers a powerful experience but also serves as a unique style statement for music lovers. Its sleek and compact design fits perfectly in the palm of your hand. Simply screw your 510-thread cartridge into the neck of the Guitar-shaped device and bring it to life. With a powerful 350mAh capacity, it offers three preset voltages—3.4V, 3.7V, and 4.0V—allowing you to choose the perfect setting for flavor or clouds.