The 4-in-1 Naxa's Portable Bluetooth Stereo Speaker Entertainment Pack (NAS-3061) is the perfect entertainment pack for music lovers. This entertainment bundle comes with a high-quality mini Bluetooth speaker with two 50mm full-range drivers, portable USB battery pack, headphones, and earphone. The soft-cushioned headphones and earphones gives you sturdy housing fit that snug and block out all distractions, giving exceptional comfort over prolonged usage. Save battery life and listen to music nonstop with the 1convenient 2,200mAh portable USB battery pack.