Harman/Kardon’s got onyx as black and big in sound thanks to the Onyx mini portable wireless speaker: Bluetooth streaming at its best, connecting up to three smart devices. Are you worried about losing your battery life, though? No worries. That Li-ion battery you get’s capable of filling your room with sound for an astonishing ten hours of playtime. Maybe you’re just a CEO in a boardroom, though, and you want some crystal-clear conference calling? Sweet. It’s got that, too. So what are you waiting for? Check it out right here!