MAXXTRONX Wireless Bluetooth Speaker, 10 Hour Battery, Ultra Bass Booster, Powerful Crystal-Clear Sound, Subwoofer Sound Effect, All Bluetooth enabled devices. Exceptional quality, wireless bluetooth speaker in a compact easy to grip case. Two powerful 40mm 5W speaker drivers deliver crisp, clean, loud sound only found in much higher priced speakers. Be amazed by the Premium Stereo Sound with built in Passive Sub woofer that delivers enhanced bass technology. Easily connect wirelessly up to 33 feet away with Bluetooth V3.0 Technology to seamlessly stream any audio, video or media from any cell phone, tablet or computer. Long lasting built-in Li-Ion Rechargeable Battery for up to 10 hours of usage Siri function activated by simply pressing button on the speaker, Low battery warning when battery is low and confirmation when Bluetooth is connected.