A wearable baby carrier includes: a pad; a first strap coupled to, or configured for coupling to, the pad via a first strap connector; a second strap coupled to, or configured for coupling to, the pad via a second strap connector; and a first device connector coupled to the pad; wherein the wearable baby carrier has a first operation mode, and a second operation mode; wherein in the first operation mode, the wearable baby carrier is configured to support a weight of a baby while the wearable baby carrier is worn by the user via the first strap and the second strap; and wherein in the second operation mode, the wearable baby carrier is configured to detachably couple to a baby device via the first device connector while the wearable baby carrier is not worn by the user.