Tenchen introduced Britisha air seat technology, relying on “human pressure point sensing test technology”, accurately analyze the pressure distribution on different posture of baby, balanced seat structure design, to build a baby sleeping “0 pressure cabin”. When the seat is installed in reverse, the baby is in zero-gravity sleep, and when seated, the 4 spinal protection measure allow the baby to sit still and sleep, and the V-sleep pillow can perfectly protect the baby’s cervical spine from forece. The product is suitable for 0-12 years old, reverse installation can be applied to 18kg.