Terms of sale

Last updated: 14 November 2026

1. Seller

Products on this website are sold by Black Data Limited, a private company limited by shares incorporated in Hong Kong, Business Registration No. 80839817, registered office: 2/F Tower 1, Tern Centre, 237 Queen's Road Central, Sheung Wan, Hong Kong (the "Seller"), under the trade name Gryprox. Email: brian@black-data.com.

2. Scope

These terms apply to all orders placed on this website by consumers. By placing an order you accept them. The version in force at the time of your order applies. For orders delivered in France, the French version of these terms prevails.

3. Products

The essential characteristics of each product are described on its product page. Photos are as accurate as possible but are not contractual. Gryprox is a fitness accessory, not a medical device.

4. Prices

Prices are shown in euros, all taxes included (VAT included). Delivery is free. The price that applies is the one shown when you confirm your order.

5. Order

You choose your product and pack, check your basket, enter your details and confirm your order with payment. We send you an order confirmation by email. We may cancel an order in case of a payment problem or a dispute about a previous order.

6. Payment

Payment is made online at the time of the order, by card or another payment method offered at checkout. Payments are processed by secure payment providers; we never see or store your card details.

7. Delivery

We deliver to the countries offered at checkout. Orders are prepared within 1–3 business days and delivery takes 5–10 business days after shipping. In any case, the product will be delivered no later than 30 days after the order. If it is not, you can cancel the order and get a full refund, under the conditions of articles L216-2 and following of the French Consumer Code. More details in our Shipping policy.

8. Right of withdrawal (14 days)

You have 14 days from receipt of the product to withdraw from the contract, without giving any reason. To exercise this right, send us a clear statement (for example by email to brian@black-data.com) or the model form below. We will then tell you where to send the product back.

You must return the product within 14 days of telling us, in its original condition. The direct cost of returning the product is at your expense. We refund all payments received, including the original delivery costs, within 14 days of being informed of your decision. We may withhold the refund until we receive the product or proof that you have sent it. The refund uses the same payment method as your order. You are only liable for any loss in value resulting from handling beyond what is needed to check the product.

Model withdrawal form
(complete and return this form only if you wish to withdraw from the contract)

To Black Data Limited (Gryprox), 2/F Tower 1, Tern Centre, 237 Queen's Road Central, Sheung Wan, Hong Kong – brian@black-data.com:

I/We (*) hereby give notice that I/We (*) withdraw from my/our (*) contract of sale of the following goods:

Ordered on (*) / received on (*):
Order number:
Name of consumer(s):
Address of consumer(s):
Signature of consumer(s) (only if this form is notified on paper):
Date:

(*) Delete as appropriate.

9. 30-day satisfaction guarantee

In addition to your legal rights, we offer a commercial guarantee: if you are not satisfied with your Gryprox within 30 days of delivery, contact us at brian@black-data.com with your order number and we will refund the price of the product. We may ask you to return the product. This guarantee does not affect the legal guarantees below.

10. Legal guarantees

All products benefit from the legal guarantee of conformity (articles L217-1 to L217-32 of the French Consumer Code) and the legal guarantee against hidden defects (articles 1641 to 1649 of the French Civil Code). To use them, contact us at brian@black-data.com. The full legal text is reproduced in the French version of these terms.

11. Liability

Use the product as described in the instructions. If you have an injury or a medical condition, ask your doctor before using it. We are not liable for damage resulting from misuse.

12. Personal data

We process your data to manage your order and our relationship with you. See our Privacy & cookies policy.

13. Customer service and mediation

For any complaint, contact us first at brian@black-data.com. If no solution is found within a reasonable time, you can refer the dispute free of charge to our consumer mediator: CM2C – Centre de la Médiation de la Consommation de Conciliateurs de Justice, 49 rue de Ponthieu, 75008 Paris, France – www.cm2c.net. You must have first tried to settle the dispute with us in writing, and refer it to the mediator within one year of your written complaint.

14. Applicable law

These terms are governed by French law for orders delivered in France, without depriving you of the protection of the mandatory rules of the country where you live. In case of dispute, you may bring proceedings before the competent court of your place of residence.