The idea of changing contacts for charging is good, but the adapters are constantly sagging, which is why there is no stable contact when charging. The plug adapter has two USB ports so it can be used in a vehicle with multiple devices. It just needed a constant connection.
π§ Jaras JJ-Box89: Red/Black Sport Portable Stereo CD Player with AM/FM Radio & Headphone Jack Plug - Ultimate Music Companion on the Go!
10 Review
π΅ Oakcastle BX200 Boombox, Portable CD Player and FM Radio with Bluetooth Stereo Speakers and Multi-Connection Capability
9 Review
Gamepad GEN GAME X3 Bluetooth, black/red
23 Review
SINGING WOOD Boombox Portable Bluetooth
9 Review