FAQ

You can contact our customer service team by email or phone for product questions, order support, shipping updates, or after-sales service.

Email: your@email.com

Phone: your phone number

You can enter your promo code during checkout. Please make sure the code is entered correctly before completing your order.

You can subscribe to our newsletter or contact our customer service team to learn about the latest promotions.

We accept several secure payment methods, including major credit cards and other available payment options shown at checkout.

Delivery time depends on your shipping address and the product you ordered. Most orders are processed as quickly as possible after payment confirmation.

Estimated delivery time: please replace this with your actual shipping time.

Once your order has been shipped, we will provide tracking information by email. You can use the tracking number to check the latest shipping status.

Products are shipped from our available warehouse or fulfillment center according to stock availability and delivery destination.

You can find detailed information on our Return Policy page. Please read the policy carefully before requesting a return or exchange.

Please contact our customer service team as soon as possible. If the order has not been shipped, we will try our best to help you update the shipping address, phone number, email, or other order details.

If the order has already been shipped, the order information may not be changed.

Please contact us by email to check the current order status. If the order has not been shipped, cancellation may be possible.

If the order has already been shipped, cancellation may not be supported. Please refer to our return policy for further assistance.

Tracking updates may be delayed due to carrier processing, weather conditions, customs inspection, or logistics system delays.

If your tracking information has not been updated for a long time, please contact us and we will help you check it.

Please review our return policy first. Then contact our customer service team with your order number and reason for return. We will guide you through the return process.

Please check your local rules and medical requirements before purchase. If you have specific health needs, we recommend consulting a healthcare professional first.

An oxygen concentrator draws in surrounding air, filters it, separates oxygen from other gases, and delivers concentrated oxygen through the outlet.

Different models may support different flow modes and usage scenarios.

A home oxygen concentrator is usually designed for indoor or stationary use and often requires AC power.

A portable oxygen concentrator is designed for mobility and may support battery use, depending on the model.

Continuous flow delivers oxygen at a steady rate. Pulse flow delivers oxygen when the user inhales.

The correct option depends on the model and the user’s actual needs.

Some oxygen concentrators may support humidification accessories, while others may not.

Please follow the user manual of your specific model before adding water or using any accessories.

Noise levels vary by model. Please refer to the product specification page for the exact noise level of each machine.

Keep the machine clean and dry, avoid blocking the air inlet or outlet, and clean or replace filters according to the user manual.

Regular maintenance helps keep the machine running properly.

Filter replacement depends on the model, usage frequency, and environment. Please refer to the product manual for the recommended replacement cycle.

Travel requirements may vary depending on airline, destination, and model certification.

Please check with your airline and confirm whether your device meets the required standards before travel.

Many portable oxygen concentrators use rechargeable batteries. Charging methods and battery replacement options vary by model.

Please check the product details before purchase.

Email: your@email.com

Service Email: service@email.com

Phone: your phone number

We usually reply within 12–24 hours.