Nova Tech via Amazon offers its Nursal FDA Cleared Rechargeable Tens Unit Impulse Mini Massager for $37.99. Coupon code "TBTCYP3S" cuts the price to $23.99. With free shipping, that's $2 under our mention from two weeks ago and $8 under the lowest price we could find for a similar item. It features eight reusable electrodes and twenty intensity levels. Deal ends November 30.