The CORE 1250 Rechargeable Lantern with Powerbank and Bluetooth Speaker is perfect for the campsite, hiking trail, projects around the house and emergency situations. Use the Bluetooth menu on your phone to connect to the speaker Decrease/Increase volume, play/pause or skip a song from the lantern's control panel or from your phone! The USB output port can supply power from the rechargeable internal battery to smartphones, fitness trackers, digital cameras and other small electronics.