Meet the Wave Bolster: a smart meditation pillow with headphones that syncs to your music to give you vibration feedback and help you feel more relaxed. You can use it to experience 8D music and 4DX movies. The level of vibration is adjustable to match your mood.
This meditation pillow has an ergonomic design to provide ample support for your neck and back. It runs for 8 hours on battery. The Bolster has a LED vibration controller and built-in microphone.[where to get it]