SONGTOLD&reg; Portable Wireless Bluetooth Speaker with Built in Speakerphone and Equalizer Frequency Adjustable Speaker Compatible for Apple Iphone 6plus 6 5s 5c 5 4s Sumsang Galaxy Note Other Cell Phones and Tablets Perfect Portable Bluetooth wireless speaker for iPhone, Galaxy, iPad, and other phone and pad The Bluetooth connects your bluetooth-enabled devices, the AUX connects most 3.5mm audio devices Hands-free calls, built-in microphone answer or end calls just one push of the button 1000 mah internal rechargeable battery lasts 6 hours Adjustable to specific music frequency ability, 20 Hz- 20,000 Hz