【Appearance Material】LED smart knight backpack appearance purchase 3D hardcore waterproof material , the back width using 1680pvc , can use portable rechargeable power supplies , 48*48 full-color dot matrix screen , support text , pictures , GIF , and other formats , adjustable shoulder strap size , the back is made of breathable material , . So you feel more comfortable when traveling , hiking , etc .【How to use】Search on your mobile phone or directly scan the code to download the "LOY eye" APP, plug in the mobile power supply through the built-in USB data port on the back, turn on the Bluetooth and scan the QR code to bind the backpack. You can connect the device. For transportation safety, we do not provide mobile power【 Space size 】backpack size 36*18*48cm/32.7*18*42cm, large zipper pocket can put a tablet computer, the interior has a number of independent small compartments, can effectively store cosmetics, tissues, keys, textbooks, mini ipad, cell phones, umbrellas, sports equipment, etc.. Things, backpack with DIY screen is also the best Christmas, birthday, Valentine's Day, friends, children, New Year's Day and other best gifts.【Applicable occasions 】This LED cool knight smart backpack is suitable for a variety of scenes. . 1... Group travel: modify the pattern at will, let the backpack as you wish. 2. Riding artifact: outdoor travel, early warning alert, night riding safer。3.The LED cool stylish smart backpack is the perfect travel companion for the avid traveler or the student on the go. It has a sleek design that's easy to spot in a crowd.
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