Philips SimplyGo Portable Oxygen Concentrator (POC) is a lightweight and durable portable oxygen concentrator, offering pulse dose (up to 72 mL) and continuous flow oxygen (up to 2 LPM). This Portable Oxygen Concentrator is a convenient device to provide you with oxygen therapy on the go. This is possible due to the features of a portable oxygen concentrator as it is generally compact and lightweight, and does not require a direct electricity supply to operate since it works on a rechargeable battery.Carry case, and accessories bag are included with the portable oxygen concentrator unit for the ultimate convenience and transportabilitySimplyGo POC device weight: 4.5 kg (with battery)Oxygen concentrations: At all settings, approx. 86 - 97%3 modes of oxygen delivery: Continuous flow, pulse-dose mode, sleep modeContinuous flow settings: 0.5, 1, 1.5, 2 L/minPulse dose settings: 1 = 12mL, 1.5 = 18mL, 2 = 24mL, 2.5 = 30mL, 3 = 36mL, 3.5 = 42mL, 4 = 48mL, 4.5 = 54mL, 5 = 60mL, 5.5 = 66mL, 6 = 72mLNight mode: Pulse mode with increased sensitivity for use during sleep. If the SimplyGo device does not detect a breath intake, it would automatically switch to continuous flow mode. SimplyGo POC unit dimensions: 29.2 cm x 25.4 cm x 15.2 cmMultiple operating alarmsEasy-to-use touch pad interfaceLithium ion battery weight: 0.7 kgLithium ion battery charge time: Approx. 2-3 hours from emptyBattery autonomy: Pulse mode setting 2 (based on 20 breaths/min.) = Approx. 3 hr, Continuous mode setting on 2L/min = Approx. 54 mins. Made in USAContents include: Philips SimplyGo Portable Oxygen Concentrator (1pc), Carry Case (1pc), Lithium Ion battery (recharcheable) 1pc, power cord, adult nasal cannula 1pc.