Phtronics Ultra Portable Wireless Bluetooth Speaker Full, High-Def Sound for iPhone, iPad, Samsung, Nexus, HTC, Nokia and More(Black) Experience your tunes in high definition and surprising fullness realized through a 3W driver and bass port - outclassing other similar-sized portable speakers. Unrivalled 5-8 hour playtime powered by a built-in rechargeable 600mAh Li-ion battery. Automatically connect to the last-connected device when turned on enables one-step music streaming. Compatible with all Bluetooth-enabled devices (2.1 and over). 3.5mm audio port for non-Bluetooth devices. Outstanding connection range of up to 33 feet. Built-in microphone with a 2-feet pickup range allows the speaker to double as a speaker phone. Package contents Bluetooth Speaker, micro USB cable, instruction manual. 12-month warranty