SuperTooth's Disco Twin is a pint-shaped pair of Bluetooth boomboxes that promise up to 10 hours of battery life if you aren't turning up the sound up to 11. While the company had originally promised that its Disco 2 speaker would have A2DP technology that would allow two speakers to co-ordinate instant stereo -- it couldn't make good on its claims. That's why it's outed the Disco Twin, which offers a pair of speakers with the necessary hardware (the left-sided speaker is the master) with 16 watts