789tens TENS Units Safety Warning

Prior to using any TENS units or accessories, please consult with a physician to ensure that it is safe for you to use a TENS unit and its accessories.

789tens highly recommends that you consult with a physician if you can answer YES to any ONE of the following statements, "I am...":

  • implanted with a pacemaker or defibrillator.
  • pregnant, or planning to become pregnant.
  • over the ager of 65.
  • under the age of 18.
  • undergoing other medical treatment(s).
  • recently-diagnosed with an illness or disease.
  • prone to suddenly losing consciousness.
  • hyper sensitive to electricity.


789tens Returns Policy

All TENS units purchased from 789tens.com may be returned to 789tens within 14 days of the confirmed delivery date, and each returned TENS unit will be refunded the final purchase price less a 15% restocking fee, and only if each TENS unit is received in excellent condition. 

789tens does not pay for, or reimburses, any shipping costs to return any items.

If TENS units are received in unacceptable conditions, or postmarked after 14 days past the date of delivery of return-shipping notices, then refunds will not be processed.

Unrefundable TENS units may be shipped back to owners after 789tens receives shipping fees.  Unrefundable TENS units that are not reclaimed within 30 days of delivery to 789tens may be disposed. 

Items that cannot be returned include (and are not limited to): all TENS accessories, 789tens Reusable Instant Heat packs, and 789tens cotton bags. 

Please contact 789tens with questions or for more information at: aloha789@789tens.com, 844.789.tens(8367), or PO Box 789, Hau‘ula, HI, 96717-0789.

Mahalo for your business!


789tens Shipping Information

789tens offers free shipping to addresses and post office boxes in all 50 states, U.S territories, and AFO/FPO/DPO.

789tens also offers other international shipping at minimal rates.  Since laws and regulations vary depending on country, then please email aloha@789tens.com for detailed estimates for shipping to specific international addresses.