Crelander LED Motorcycle Backpack,17inch Knight Backpack with DIY Programmable Display Screen, 3D Waterproof Hard Shell Helmet Bag Laptop Storage Daypack for Riding Traveling

【DIY 】Modify the pattern at will, let the Crelander laptop backpack as you wish. It has a sleek and cool design that's easy to spot in a crowd.. Keep things orderly--- With several separate compartments inside the middle bag, enough room to fit folding umbrella,iPad mini, makeup, tissue, keys,water bottle and etc. The waterproof cross body bag comes with a rear bag to keep iPhone and wallet, make it ideal day pack.. 【Expandable Space】With the hidden & expandable space,the motorcycle shoulder bag can be held most helmet size.. 【How to use】Search on your mobile phone or directly scan the code to download the 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 and use it.. 【Cool Gift】The LED Knight Backpack with programmable screen is also the best gift for yourself or others on the Christmas, Birthday, Valentine's Day..... 【NOTE 1】This led motorcycle backpack requires connecting to a power bank for use, but please note that the power bank is not included in the product. Therefore, it is necessary for you to prepare yours separately.（the power supply:5V/2A）. 【NOTE 2】 Since this is newly produced, some kind of smell is possible.Please donot worry about it,put the opened backpack in a ventilated and dry place for some times,no flavor.. 【NOTE 3】 If you found any question and problem after receipt the backpack,please contact us for help firstly.