I pulled a bunch of flat top 18650s out of some dead laptop batteries and put them in this case for fun and used as a proof of concept before i built my own. It worked great for a day or two and then stopped working. Either my charger was too powerful or the electronics in this thing had failed. Warning: Once this is closed, destroy it by opening it again.
π΅ Oakcastle BX200 Boombox, Portable CD Player and FM Radio with Bluetooth Stereo Speakers and Multi-Connection Capability
9 Review
KEiiD Wooden Retro CD Player With Bluetooth, FM Radio, USB AUX Inputs, Speakers And Adjustable Bass/Treble For Home Stereo System And Boombox
27 Review
Gamepad GEN GAME X3 Bluetooth, black/red
23 Review
KEiiD Bluetooth Stereo Shelf System With Retro CD Player, Speakers, FM Radio Receiver, USB, AUX, Bass/Treble EQ, Wooden CD Music Bookshelf System For Home Audio
28 Review