Explanations and Features: * BiPAP devices with well-known and reliable Philippe Respirunix technologies such as Auto Track, AVPS, and Dry Box Humidifiers. This medical device is a supportive of ventilation either in an intrusive or non-invasive way for patients with tracheal loss, chronic obstructive pulmonary disease, sleep apnea. BiPAP is capable of dual ventilation for intrusive and non-intrusive pressure, up to pressure of 40 cm per second. This device is lightweight and has a detachable battery unit and can provide more movement for patients. BiPAP automatically adapts to the changing needs of patients every night. * Known, proven technologies from Philips like Auto Track, AvaB, and Refreshments. * Support intrusive and non-intrusive ventilation. * Comfortable overall breathing experience. * Small and portable. * Automatic machine.