iLuv Time Shaker Wow Vibrating Bed Shaker Alarm Clock for Heavy Deep Sleepers, LED Display, Super Loud Panic Alert, Flashing Red Alert Light, Multiple Vibration Levels, Dual Alarm, USB Charging Port

This was the one I got and I still use it to this day, 6 years later. Love the thing: https://www.amazon.com/dp/B079J1X3SL?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1 Sadly it looks like they may not sell them anymore, but the same company sells just the disk that I'm guessing would work just as well. Seems a bit pricey though: https://www.amazon.com/iLuv-SmartShaker-Vibration-Bluetooth-Notification/dp/B08V6QCBTS