Joytech Bluetooth Tesla Coil Arc Speaker – Educational Desk Toy
Joytech SSTC SS02 combines Bluetooth music with a Tesla coil arc display. It’s a compact educational desk toy that demonstrates plasma arcs and music playback; customers note mixed functionality and audible noise in use
Highlights
- plasma arc visual display
- built-in square wave music
- compact desk-friendly form
Pros
- compact, portable size
- educational science kit
- includes music files on USB
- fun, visually engaging demo
- build quality noted by some customers
Cons
- noise level is problematic
- some units stop working after a while
- battery life concerns
Best For
Features
- Compact chalk-like body measures 4.17 x 4.17 x 2.36 inches with arc output
- Includes a USB flash disk containing 110 square wave music tracks
- Features circuit protection to protect input devices during use
- Delivers music playback in discharge mode with attention to avoiding sudden loud sounds
- Requires turning two knobs counterclockwise to the end before powering on
