Product information Technical details Item weight 184 g Product dimensions 8,6 x 3,16 x 7,12 cm; 183.99 grams Batteries 1 Lithium metal batteries required. (attached) Item model number JBLGO2BLK The color name is black Multiple compatible devices Number of speakers 1 The output wattage is 3.1 watts Size Regular Battery type Lithium ion battery The power source is battery operated The voltage is 3.7 volts Wattage: 3 watts