Stream music or audio content from any tablet, smartphone, or other Bluetooth? enabled device. Wrist strap feature allows for easy portability or simply attaches the speaker to a backpack while on the go. Wireless operating distance of up to 30 feet. Non-Wireless plug-in capability via mini jack cable (not included). Play, pause, track and volume controls. Built-in lithium battery can be charged with the included USB cable. Charging time: approximately 1 hour. Playback time: approximately 2 hours. Gift box included