Vcall V1 Bluetooth Speaker with 4 Enhanced HiFi Bass speaker and NFC Tag for iPhone,iPad,Android Phones,HTC,LG,Windows Phones (Black) Hi-Eshop always provide to our customer with the best product and service. All products sell on Amazon have been tested strictly. Fashinable Rounded Design, powerful 4 Boombox, 360 degree sound, subwoofer bring the ultimate pleasure of listenning. By rotating the top button to adjust the volume. Multiple Playing Modes: Work both with Bluetooth 3.0 + DER devices and comes with a 3.5mm Aux port for those devices that are not Bluetooth enabled. NFC enabled devices automatically connect without the extra step of pairing. Standard Micro USB charges. Relatively short charging time, it takes 3 hours to fully charge, high-capacity 2800Ah Samsung battery core. supports up to 4-5 hours playing time. Compatible with iPad, itouch, Samsung, Android Cell Phones, Touch Screen Tablets, Laptop Computers, Mp3 Players, 3.5mm Audio Cable for Other Devices.