TXXMA Ultra-Portable Speakers With Power Bank & Phone Holder, 12 hours Continuous Playtime with HD Sound (Black High quality clear stereo sound and distortion-free at maximum volume filled in every corner in family. Ultra-portable Bluetooth speakers is just only 3.93 inches long and 4.3 ounces weight, and it has 3000 mAh high capacity battery for up to 12 hours of playtime, small and dainty elliptic design for easy to fill in the pocket, and listening to music on way home or travel. One-key control, easy to use and switching. If product quality issue, We replaced free of charge Built-in MIC for hands-free smart phone and answer the phone clearly, Bluetooth V3.0 Technology offers a instantaneous connection to the smart phone, iPhone, iPad, Samsung, laptop etc. Phone Best Mate: charging the mobile phone wherever you are, connect in seconds to the phone via Wireless Bluetooth and playing music etc, hold the cell phone by suckers for watching videos, reading, listening etc.