The Elf174; Ultra-Mini Portable Bluetooth Wireless Speaker / Pocket-size Speaker with Extremely Powerful & Crystal Clear Sound / Compatible with All Devices with Bluetooth Capability - 6 hours Playtime Rechargeable Battery / with Built-in Mic for use as a Powerful Handsfree Speakerphone (Blue) Connects wirelessly to your smartphone, tablet or any other Bluetooth device, so you can listen to your music, videos or games anytime, anywhere. / New Bluetooth v3.0 Technology allows you to connect wirelessly up to 33 feet away. Long life battery - Installed rechargeable lithium-ion battery delivers 6 hours of playing time on a single charge. Charges fully in just 2.5 hours / Rechargeable via USB cable (included). Extraordinary rich sound  Amazingly small size yet super powerful with ultra-rich & clear sound / Doubles as a speakerphone - Built-in microphone for hands-free calls in the office, car, house or anywhere. Incredibly portable - Fits in your bag; or even your pocket! Measuring only 2 inch x 2 inch and weighs only 3 oz. Listen to powerful and extremely rich sound wherever life takes you. Just grab it and go. Don't have Bluetooth? The Elf&#174; Ultra-Mini allows you to connect the speaker directly to any music source via a 3.5mm Aux-in cable (included). / Features also a microSD Card reader  Just flip in the card and listen to music.