Introduction report Product size: plexiglass cover 16x16x19cmCore diameter: 8.3 cm Playback method: USB plug, vibration sensing core + voice control, with conventional mode and breathing mode Material: assembly of main alloy and various materialsStainless steel carving and milling support plexiglass display boxVoice-controlled switch, but it is more sensitive to tapping! Instructions:Powered by USB plug, vibration sensing + voice core (with regular mode and breathing mode). Voice-controlled switch, but more sensitive to tapping!Tap once to switch to normal mode, tap twice to switch to breathing mode (the light fades from bright to dark then back to bright, in a loop), tap again to turn off.