Portable Bluetooth rechargeable speaker . Take it everywhere and enjoy your favorite music. Connect it via USB, Micro SD or FM Radio. Support phone/Laptop/Tablet PC Support TF card(Mini micro card) Support Bluetooth Modular Bubby-jack design: connect a row of Mini Speakers to get jaw-dropping audio perfomance Expanded Bxs(Bass Xpansion system) drives a fuller, richer low-end response. New, larger 45mm driver delivers precise highs for superb sound. Bluetooth connection Transmission distance: 10 meters Battery life: 2 - 3 hours Charging time: 1 - 2 hours Micro SD slot USB port Auxiliary input 3.5 mm Dimensions: 13.5 x 6.4 x 9 cm What's in the box 1x Speaker 1x Charging cable 1x Auxiliary cable