I am writing this review after reviewing two separate devices. My first unit failed, broke and worked less than 2 weeks after end of life and was consuming less than 2-3 hours a day. My second unit was received in May and stopped working 1-2 months after receiving it. The power switch is stuck in the on position and the device doesn't heat up because it doesn't vibrate. Save money and buy any other product with good reviews. Don't waste your money and time here.
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