Custom LeatherCraft 39 Pocket - Tech Gear Stereo Speaker 18" MegaMouth Poly Tool Bag - Black. Our Tech Gear 18" MegaMouth tool bag with an integrated speaker system that's designed to work with your iPod, MP3 player or other portable audio device to output quality stereo sound, has a large main compartment and 39 pockets to hold your favorite hand tools. LIMITED LIFETIME Warranty.