Basic Details & Specifications Key Features: Uses SmartDoseβ’ Technology β this means it can automatically adjust the amount of oxygen delivered based on your breathing rate / activity. Has 5 βpulseβ (bolus) settings: from 1 to 5. Very lightweight: about 2.2 kg (4.95 lb) including battery. Dimensions: ~21.3 cm (H) Γ 8.9 cm (W) Γ 21.8 cm (D). Oxygen purity: ~90% (Β±4/β3) over its operating range. Maximum Oβ delivery: ~1,014 ml (in standard mode) / ~1,100 ml in SmartDose mode. Battery life: ~3.5 hours at βsetting 2β (20 breaths per minute) with a fully charged standard battery. Recharge time: Approximately 5 hours (per user manual). Noise level: Very quiet β less than ~37 dBA (at setting 2) according to specs. Operating altitude: Can operate up to 10,000 feet β good for travel / flying. Power options: Can run on AC power (plug), DC (car adapter), or its rechargeable battery. Alerts / Alarms: Low battery, low oxygen output, no breath detected (in pulse mode), over temperature, and device fault. Certifications: FAA-approved for in-flight use. Warranty: According to the spec sheet: 5-year on the unit, 3 years on compressor, 1 year on battery & sieve beds. --- β Pros / Advantages Auto-adjusting oxygen: SmartDose tech means less need to manually change settings when activity changes. Highly portable: Lightweight + carry-case = easier mobility. Battery flexibility: Can be used on battery, AC, or car β useful for travel. Quiet: Very low noise makes it comfortable to use in many settings. Travel-friendly: Approved for airplane use. Sensitive trigger: Good βbreath detectionβ even for people with weak inspiratory effort.