Auvio Bluetooth Portable Speaker with Bass Port, Built-in Mic and Controls (Newest Model) Works with any Bluetooth-enabled smartphone (including iOS & Android, tablet), laptop or MP3 player Control the volume, adjust equalizer settings, navigate your music and more. Speakerphone for hands-free conversations via Bluetooth 30 foot (9.14 meter) range; No cords to tie you down 1/8" (3.5mm) aux input for listening to any audio device Frequency response: 100-15,000Hz 4-watt (2Wx2) output; Bass port enhances deep tones for robust sound