top quality best price more quantity more discount door to door service Perfect companion to any tablet PC / LaptopConveniently hang on the edge of tablet, can hang on the edge of tablet not need take out the cover case. High-fidelity sound, High Power output3.5mm plug compatible with all types of player equipment. Built-in full Charge Time about 1-2 hours Lithium battery can work about 2-5 hours ...