With a mid-range speaker for vocal clarity, front and rear tweeters for multi-directional sound, and X-Balanced speaker units for deep, punchy Mega Bass, the Sony XP700 X-Series Mega Bass Portable Bluetooth Wireless Speaker is tuned to enjoy all different genres of music. This set contains Sony XP700 X-Series Mega Bass Portable Bluetooth Wireless Speaker, and Limited 1-Year Warranty (for U.s. and Canada Only).