Sperax Walking Treadmill Pad with APP, 3 in 1 Under Desk Treadmill, 400W Low Noise Walking Vibration Pad with Remote Control,Portable Treadmills for Home Office Black is up for auction in Sports & Outdoors. The current bid is $20.01, 88% below the $169.97 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.