DIY Smart Backpack! (Bluetooth, Battery, Magnetic Charging)

20000mAh battery: https://goo.gl/QrPs1o
Learn how I made this cool high tech backpack. This device features a 20,000 Mah battery that powers a set of bluetooth speakers. This battery can also be used to charge usb devices like cellphones. This battery is charged by a magnetic charger that runs out the top for easy hassle free charging.

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Music: Killabyte – Our Story