The Zebronics ZEB-BT9900RUCF Tower Speakers are a highly efficient and multi-functional unit by itself. The premium wood finish tower speakers have AUX/Line in support that offer theatre-like quality sound at your home. The dual driver ensures that the vocals are clear in both high and low-frequency sounds. With USB, SD/MMC slots, you can connect pen drives, smartphones. and more. These speakers support Bluetooth connectivity and have chrome-finish volume, bass and treble control. The built-in FM provides added convenience.