NAXA Electronics NAS-3061A Portable Bluetooth Stereo Speaker Entertainment Pack with Headphones, Earphones and Battery Pack, Blue Attractive 4-in-1 combo pack has everything you need to enjoy your music wherever you are Portable Bluetooth stereo speakers streams music wirelessly from your smartphone, tablet, or other Bluetooth enabled device Portable battery pack provides backup power for your cellphone, speakers, or other USB powered device Stereo headphones with large 40mm drivers provide a powerful listening experience Convenient stereo earphones are great for use on the road or at the gym