1, patented technology in Shu Da: OmniCoil is a patented technology of black technology newly released by Shu Da in 2023, and it is the anti-interference support system of Omnicoil in Shu Da.
2. Authentic: Shu Da is a well-known mattress brand with a long history and good reputation. Its secret button mattress has also undergone strict quality control and testing to ensure that the product quality and performance meet the standards, so it can be considered that the secret button mattress is genuine.