【LED Content】it can shows picture,words or GIF.You can choose the content from the APP Material Library or DIY by yourself.

【Adjustable】shoulder straps and waist buckles, freely adjustable according to your needs.

【Ergonomic & comfortable design 】with back support, breathable material & avoid stickiness when sweat.

【Enough Storage】: easily fit a 15.6 inch laptop, bicycle/motorcycle helmet,light clothes and etc. With the several independent storage spaces,the personal belongings can be held easily,like wallets, keys, Ipad, mobile phones....

【Easy 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.

【Reminder 1】: Additionally, please understand that for the convenience of transportation & safety, the LED backpack does not come shipped with a power bank

【Reminder 2】: As each of our LED backpacks is newly produced , just place the backpack in a ventilated and dry place for some times,no flavor.