Experience sound blasting good times with the unbeatable Boston Signature sound. Packed with a mountainous playback time of 150 hours, Levin Storm 4D Bluetooth Earbuds keep you going all day long.True Wireless in Ear Earbuds Experience connected life with Boston IWP technology™ that seamlessly pairs the your device. Powered by ASAP charge technology that lets you flip through your entire playlist smoothly with just a few minutes of charging. With IPX7 stay shielded from sweat, water, and dust and kill that workout session or go outdoors without worry!