MAXELL "MXSP-BT03" Black, Bluetooth Portable Speaker, 6W (3Wx2) RMS, Bluetooth v.4.0, aptX®, Speakerphone function: built-In Microphone, Rechargeable 1300mAh Li-Polymer Battery (Battery Life: 15 hours; Charging Time: 2.5 hours), Size:155 x 45 x 58 mm