Generic Mini Portable Super Bass Bluetooth Wireless Speaker for Tablet Pc Iphone Samsung Support TF card (Mini Micro Card) Support A2DP, AVRCP, headset, handsfree profile Wireless portable mini Bluetooth stereo speaker system Expanded BXS (Bass Xpansion System) drives a fuller, richer low-end response Modular 'Buddy-jack' design: connect a row of Mini Speakers to get jaw-dropping audio performance