EWA A105 Cute Mini Bluetooth Speaker Built-in Battery Portable Wireless Speaker for Smartphone/Tablet- BlueKey Features...Lasting 8 hour music play, wide frequency range.Mellow and natural bass, let you blend in a music world.Dual-frequency decoding, support TF card, plug-and-play.Big power with small volume, redefine the super bass concept.Non-slip mat design the bass more prominentHigh tension f..