ABS plastic case with hinged lid holds Bluetooth® enabled earbuds. Connects wirelessly with any Bluetooth® 4.2 enabled device up to 33 ft. away. Built in music controls and a microphone for hands-free calls. Case doubles as a power bank for the earbuds and can charge earbuds five times from 0-100%. Case can be charged with the included micro USB cable or on a Qi wireless charging pad (not included). Case charging time approximately 2.5 hours, Earbud charging time 1-1/2 hours. Playback time 2 hours at maximum volume. 500mAh lithium-ion battery. Ground ship only. Dimensions: 2-1/2"W x 2-1/4"H x 1"D