AKOi HEART (Akoi Heart) Real-time baby monitoring alarm system. ■ Model Number: AKOI HRT20 ■ Bluetooth connection type ■ Included: Main unit, charging cable, instruction manual, box ■ Operation confirmed (power on, lamp lighting confirmed) This is a sensor device that supports monitoring babies while they sleep. It was used by attaching it to clothing. The box has some minor scratches. The main unit has no noticeable major damage. *Please confirm the usage of the app and compatible models yourself. *This is not a medical device. Please understand that this is a used item. Instant purchase is welcome.