Soundmatters foxLmb Pocket-Sized Audiophile Loudspeaker System with Microphone and Bluetooth (Black) (Discontinued by Manufacturer) Pocket-sized portable stereo speaker with Bluetooth streaming and hands-free noise/echo canceling microphone Lithium battery also doubles as woofer; 5 hours of use on a charge Hi-fi alternative to earphones Connects via Bluetooth or a standard 3.5-millimeter headphone jack Includes multi-language instructions, AC adapter, USB cable, 3.5-millimeter audio cable, travel pouch, and wrist strap