This BEAST of a bluetooth speaker comes with ADVANCE MAXXBASS TECHNOLOGY. Exactly as that sounds this wireless speaker will have ridiculously killer bass for a portable speaker this size</br>POWERBANK SPEAKER This speaker has a 4400mAh Power Bank External Battery Charger making this the perfect outdoor speaker or home audio speaker for any occasion</br>Additional features on the perfect audio speaker include Siri and S-Voice support Hands free calling with microphone LED Power / Charging Status indicator and LED button back lights activated by thermal sensor</br>Specifications for the beast wireless speaker: Lithium battery capacity: 11.1V / 4400mAh Charging Voltage: 15V Battery voltage: 11.1V Audio Cable: 3.5mm</br>Package Includes: Sharkk Beast portable bluetooth speaker Audio Cable Power Adapter and User Manual</br></br>Product Description</br></br><p>Whether you're barbecuing in the park on a pleasant summer evening or hosting a gathering of family and friends in your home the ultimate Sharkk Beast is the perfect accompaniment bound to uplift the energy in any space; with its rich clear?? ultra-powerful 45W sound and robust?? detailed bass tones with its included Sub-woofer! Featuring superior quality stereo sound with Advanced MaxxBass Technology?? its included AUX port?? Bluetooth 4.0 and NFC functionality allow for easy connection to external devices?? while a built-in USB Power Bank Charging Port ensures that those devices are fully powered and ready to roll. In addition to sporting a microphone for convenient hands-free call answering?? the