The SE535 Sound Isolating™ Earphones feature triple high-definition drivers for spacious sound with rich bass in a secure, low-profile fit and innovative detachable cable system. Pairs with most phones, laptops and tablets with Bluetooth 4.1 connectivity, and provides up to 8 hours of battery life and 30 feet (10 meters) of wireless range. Includes Bluetooth 4.1 communication cable, Universal 3.5 mm communication cable, micro-USB charging cable, volume control, clothing clip, ¼” adapter, premium carrying case and fit kit with wide variety of sleeves.