EasySMX Portable Bluetooth Speaker (Bluetooth/AUX IN Mode) 1000mAh Built-in Rechargeable Battery 6 Hour Music Play Work for Mobile Phone Tablet PC Stable and fast pairing with Bluetooth enabled devices including mobile phone, tablet and laptop via Bluetooth 2.1 EDR. For older devices, you can connect via the provided 3.5mm audio cable Perfect integration of exquisite look and outstanding sound quality, using two 2 large high quality speakers to deliver high fidelity and clarity sound, particularly on mid bass it packs a 1000mAh lithium battery that can be easily charged via the a micro USB cable and supports about 5~6 hours constant music play via single full charge The devices comes with an extra USB port that will allow direct music playing from an external memory card via a card reader (not included in the package) or USB driver Simple operation via a few buttons. It also offers LED indicators and voice prompts to walk you through the pairing process