Definitive Technology Sound Cylinder? Portable Bluetooth speaker system. Description 2.1 channel bi-amplified audio system. Connects conveniently with Bluetooth. Conveniently and securely clamps to most tablets. Rugged aluminum / magnesium alloy construction. The speaker system for hands-free tablet viewing Home theater? With the Definitive Technology Sound Cylinder and a tablet, you've got on-the-go theater! This lightweight speaker system clamps to your tablet, providing a stable base for your device. The magnesium alloy clamps have rubber slipcovers to hold your tablet securely without scratching it. A built-in fold-out kickstand keeps your attached tablet upright on a flat surface for convenient viewing. The speaker system for cinematic sound The Sound Cylinder is a great tablet stand, and an even better speaker system. Two front-firing 1-1/4" full-range speakers deliver crisp, clear sound from your music and movie soundtracks. A side-firing 1-11/16" woofer fills out the bass, and the system's advanced digital signal processor optimizes speaker performance to provide an engaging, spacious soundfield. Definitive's built-in Surround Array imaging technology helps the system deliver an impressive near-field listening experience. Definitive Sound Cylinder The speaker system for wireless convenience The Sound Cylinder uses Bluetooth to connect wirelessly to your tablet or other portable device. So although the system clamps to your tablet, there are no cables to mess with. Want to use the Cylinder with a non-Bluetooth device? No problem ? just use the auxiliary stereo minijack input. The system provides up to ten hours of operation from its built-in batteries. Product highlights: for tablets and other portable devices with built-in Bluetooth wireless range: 33 feet two 1-1/4" front-firing full-range speakers with one side-firing 1-11/16" woofer frequency response: 60-20,000 Hz 8 watts total system power ? 2 watts x 2 (speakers) + 4 watts (woofer) durable aluminum and magnesium allow construction rubber-coated clamp arms to secure speaker to 10" or 7" tablet fold-out kickstand keeps your attached tablet upright minijack audio input for portable devices micro-USB input for charging (micro-USB cable included) AC power adapter lithium ion rechargeable battery lasts up to 10 hours microfiber carry bag What's in the box: Bluetooth speaker AC power adapter 39" USB charging cable (w/ a USB type-A connector on one end and a microUSB type-B connector on other end) 39" Stereo minijack cable (w/ right-angle 3.5mm connector on each end Drawstring pouch User Guide