The Maestro wireless speaker with High Definition audio, built-in microphone, radio, and rechargeable battery allows for up to 6 hours of playing time. The Maestro delivers a total of 6 watts (2 internal 3W speakers). The speaker 4.0 wireless and audio prompt technology makes pairing conveniently easy. Plays music up to 10 metres from any Bluetooth™ device such as your smartphone, notebook or tablet.