Be the party anywhere you go with this uniquely designed portable microphone with built-in Bluetooth speaker and rechargeable battery. Pair your Bluetooth device to start singing your favorite tunes. The voice synching lighting effects are sure to dazzle your audience. Capture the crowd with the 22 professionally tuned vocal effects. Let your peers hear you on the crisp and clear speaker ready for any occasion. Number of Batteries: 1 Features: Bluetooth Compatible, Plug And Play Battery Type: Lithium Ion Measurements: 2.6 Width/Inches, 10 Height/Inches, 2.8 Length/Inches Base Material: 80% Plastic, 20% Metal Country of Origin: Imported