*For your interests, we strongly recommend that you purchase from official stores or officially authorized stores.
*Official Amazon stores, official AliExpress stores, and officially authorized stores are subject to the after-sales policy of the corresponding platform. 
*Except for purchases made on the above platforms, other situations apply to this after-sales service policy.
After-sales service policy：
Inquiring about the production date to the after-sales email with the serial number on the product, you can enjoy the warranty service within 1 year after leaving the factory.
1. Necessary conditions：
1.1 Product failure is not man-made damage；
1.2 The quality problem of the product itself leads to failure (product failure caused by components or poor production).
2. After-sales policy：
The following processing options are available：
2.1 Please ask the direct seller if there is an after-sales policy. If so, the seller’s after-sales policy shall prevail；
2.2 Buyer sends it back to the factory in China for repair. The buyer will be responsible for the costs incurred during transportation；
2.3 In the cases of the product component are judged replaceable, ISDT sends the spare parts to the buyer. The buyer will be responsible for the costs incurred during transportation.
3. Shipping fee:
If you choose to send it back to the factory in China, the buyer will be responsible for all the costs incurred during transportation.
4. Disclaimer：
The product is not covered by warranty if any of the following conditions apply：
4.1 The customer has disassembled or changed the internal structure of the product by himself；
4.2 Damage caused by the customer’s artificial use or improper operation (non-waterproof products encounter water or other liquid infiltration, heavy blows, beatings, etc.)；
4.3 The product serial number is blurred, damaged or missing corners beyond recognition.

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at isdt0506@gmail.com. Please note that returns will need to be sent to the following address: 

Jiuwei Community, Hangcheng Street
5th Floor, Building A, Jinhong Industrial Park, No. 6, Jiuwei Third Industrial Zone
Shenzhen
Bao'an District
Guangdong Province
515100
CN

If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at isdt0506@gmail.com.

Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at isdt0506@gmail.com.