The Power Ball X2 are attractively designed portable stereo speakers with innovative features. Equipped with Bluetooth 3.0 with A2DP and AVRCP support, they offer high speed wireless audio streaming up to a distance of 10 m. Each speaker has an output capacity of 1.6 RMS which produce powerful sound, while frequency response from 40 Hz to 20 KHz assures crystal clear sound quality. The main speaker, which has play, pause, and volume up/down buttons is easy to operate and can be connected to the stereo speaker with a 5 ft. long audio cable. The Power Ball X2 is powered by a 650 mAh rechargeable lithium ion battery and can be charged easily from any USB outlet with the micro USB charging cable. With a single charge, it will ensure 12 hours of continuous music playback. Enrich your portable music experience with the Power Ball X2.