2 BOOM Micro Jam Wireless Rugged Portable Bluetooth Speaker Equipped with cutting-edge 2.1 Bluetooth technology, this small, compact and ultra-portable design with a carabiner hook allows you to take this with you anywhere! • Plays up to 33 feet (10 meters) from any Bluetooth-enabled device such as your smartphone, notebook, tablet, or mp3 player. • Up To 2-3 Hours of wireless play on a single charge when listening to music, videos, and enhancing effect of gaming sound tracks while playing games • This hands free speakerphone has an in-line microphone for easy call answering. Its solid construction has a rugged & durable rubberized exterior with incredible sound quality, rich bass, all in a small package. • Box includes: Speaker w/ 300 mAh lithium battery, USB charging cable, instruction manual and warranty registration card.