AIWA BT TWS RESONANCE BASS SPEAKER GREY   Model Name‎SB-X350J   Product Dimensions‎19 x 6 x 6 cm; 657 Grams   Batteries‎1 Lithium Ion batteries required. (included)   Special Features‎Charging : DC5V/1A(Type C), BT Version V5.0 QCC3031, Playback mode : BT , AUX-IN, Playback time 5 Hrs (50% Volume),Charging Time 3 Hrs, LED Display W control pannel   Mounting Hardware‎Type C charging Cable,instruction mannual ,Warranty card   Number Of Items‎4   Audio Output Mode‎Surround   Speaker Surround Sound Channel Configuration‎2.0   Speakers Maximum Output Power‎20 Watts   Speaker Amplification Type‎Active   Audio Wattage‎20 Watts   Wattage‎20 Watts   Power Source‎Battery Powered   Batteries Included‎Yes   Batteries Required‎Yes   Battery Cell Composition‎Lithium Ion   Signal To Noise Ratio‎75 dB   Speaker Output Channel Quantity‎2   Connector Type‎Bluetooth   Material‎Oxidised Aluminium   Mounting Type‎Tabletop   Includes Rechargable Battery‎Yes   Manufacturer‎Aiwa Electronics International Company Limited   Item Weight‎657 g