The Veho Mimi speaker is extremely portable and robust in design for superb audio effects with advanced technologies. The Veho speaker uses 2.4 GHz wireless technology that gives you smooth and vibrant sound and also increases the quality of audio output. Moreover, this Veho Mimi 2.4 GHz wireless technology speaker includes 400 Mah rechargeable lithium batteries that provide you 6 hours continuous playback. The Veho speaker is Mac compatible, suitable for use with 30 pin iPhone, iPod, and iPad, and you can control your music from smartphones without the need for any dongle. Furthermore, this 2.4 GHz wireless technology speaker gives you 18 watts output for an outstanding listening experience.