Buyer's notice

Please read carefully, order default has been known!

1. Our products do not retail, personal use do not place orders, order and sample orders, do not provide after-sales, do not return.

2. Do not support 7 days no reason to return, so the products are fully inspected and shipped, quality and function problems warranty or replacement, human and transportation damage is not guaranteed, after-sales freight factory does not bear.

3. No free delivery, be sure to confirm the model, configuration, color, quantity and delivery date with customer service before placing the order. The default configuration information is correct upon delivery.

4. All measurement results of this device are calculated by scientific algorithm, for reference only, and do not have medical guidance significance. If you need accurate medical data, buy professional medical equipment.