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

  • 6 years ago
20000mAh battery: \r
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.\r
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Music: Killabyte - Our Story

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