Upgrade to The New DX500
With Our Limited Time Trade-In Offer
Act Fast - Limited Time Offer!

Send in Your RECEIPT
Send in your proof of purchase.
- TENS Unit
- PRS / Flex Doctor (Return Required)
- Any other over-the-counter
- Direct Current devices

Get Up to $3,000 Credit
Receive up to 100% of your original purchase price as a credit. Device value only (taxes, shipping, fees, etc excluded)
- Max Credit: $3,000
- Proof of Purchase Required
- Offer valid for a limited time for new DX500 purchases. Available through February 28, 2026
- Limit one trade-in product per DX500 purchase. Cannot be combined with any other discounts
- or promotions. Based on DX500 purchase price of $4,995.
- Not eligible if DX500 is financed through Affirm Payment Plan
- Trade in device must be in good working condition and include all accessories (charger, lead
- cords, case). Final credit value is based on device audit.
- Credit issued towards purchase of DX500 only. Not valid for cash.
- Prescription devices are not eligible for trade in (RX100, RX-Black, Neubie, etc)
Want to confirm your trade-in value before sending it in? Email us your proof of purchase and photo of your device.

Return Authorization for DX500 Trade-In Program
Click here to download the form, and make sure to include it inside your return box.

Instructions to send in your Trade-In Device:
- Make sure to include all items you marked off on your form.
Pack your device and all required items securely.
Affix the enclosed UN3481 Battery Label to the box. Ship to:
NerveOTX
Attn: Sara Hasselman
500 15th Ct
St Charles, IL 60174
Next Steps:
- Allow 3–5 business days for NerveOTX to audit your returned device.
- After audit, NerveOTX will issue an invoice for your new DX500. You will receive this via email. Your eligible trade-in credit will be applied as a reduction on the invoice. Once the invoice is paid, your new DX500 will ship out.
- If you have already purchased your DX500 unit, the credit will be issued as a refund back to your original payment method. Trade-in must be completed within 30 days of the purchase of the DX500 unit.
Trade-In Terms & Conditions Apply:
Trade-in offer is valid for a limited time through December 31, 2025.
The maximum credit value is $3,000 and is based on the original proof of purchase on the device value only (taxes, shipping, fees, etc excluded).
Limit one trade-in product per DX500 purchase. Cannot be combined with any other discounts or
promotions. Based on DX500 purchase price of $4,995 + shipping & taxes.
Not eligible if DX500 is financed through Affirm Payment Plan
Trade in device must be in good working condition and include all accessories (charger, lead cords, case). Final credit value is based on device audit. If trade-in is not in working order or is missing accessories, customer will have the option to accept a reduced credit or their trade-in will be returned to them.
Trade-in value will be issued as a credit towards DX500 purchase. If DX500 has already been purchased, a refund will be issued to the original payment method. Trade-in offer is not valid for cash.
Trade-in is valid for over-the-counter devices only including PRS, Flex Doctor, Marc Pro, and TENS units. Prescription devices are not eligible for trade-in (RX100, RX-Black, Neubie, etc).
NerveOTX reserves the right to make changes to this program at any time.


Return Authorization for DX500 Trade-In Program
Please complete the below information and include this page in the package with your shipment.
Instructions to send in your Trade-In Device:
- Make sure to include all items you marked off in your form.
Pack your device and all required items securely.
Affix the enclosed UN3481 Battery Label to the box. Ship to:
NerveOTX
Attn: Sara Hasselman
500 15th Ct
St Charles, IL 60174
Next Steps:
- Allow 3–5 business days for NerveOTX to audit your returned device.
- After audit, NerveOTX will issue an invoice for your new DX500. You will receive this via email. Your eligible trade-in credit will be applied as a reduction on the invoice. Once the invoice is paid, your new DX500 will ship out.
- If you have already purchased your DX500 unit, the credit will be issued as a refund back to your original payment method. Trade-in must be completed within 30 days of the purchase of the DX500 unit.
Trade-In Terms & Conditions Apply:
Trade-in offer is valid for a limited time through December 31, 2025.
The maximum credit value is $3,000 and is based on the original proof of purchase on the device value only (taxes, shipping, fees, etc excluded).
Limit one trade-in product per DX500 purchase. Cannot be combined with any other discounts or
promotions. Based on DX500 purchase price of $4,995 + shipping & taxes.
Not eligible if DX500 is financed through Affirm Payment Plan
Trade in device must be in good working condition and include all accessories (charger, lead cords, case). Final credit value is based on device audit. If trade-in is not in working order or is missing accessories, customer will have the option to accept a reduced credit or their trade-in will be returned to them.
Trade-in value will be issued as a credit towards DX500 purchase. If DX500 has already been purchased, a refund will be issued to the original payment method. Trade-in offer is not valid for cash.
Trade-in is valid for over-the-counter devices only including PRS, Flex Doctor, Marc Pro, and TENS units. Prescription devices are not eligible for trade-in (RX100, RX-Black, Neubie, etc).
NerveOTX reserves the right to make changes to this program at any time.

