{"product_id":"bas-rutten-o2trainer-breathing-muscle-training-device-lung-power-endurance-tool-for-athletes-singers-high-altitude-performance-diaphragmatic-respiratory-trainer-16-resistance-caps-blue","title":"Bas Rutten O2Trainer: Breathing Muscle Training Device | Lung Power \u0026 Endurance Tool for Athletes, Singers \u0026 High-Altitude Performance | Diaphragmatic Respiratory Trainer | 16 Resistance Caps | Blue","description":"\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e O2Trainer\u003c\/p\u003e\u003cp\u003e\u003cb\u003eColor:\u003c\/b\u003e Blue\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDESIGNED BY UFC LEGEND BAS RUTTEN: Created by world champion fighter and conditioning expert Bas Rutten, the O2Trainer is built from real-world experience. It’s the same breathing tool Bas used to push his performance to elite levels—and now it’s available to help you do the same.\u003c\/li\u003e\n\u003cli\u003eBUILD STRONGER BREATHING MUSCLES: Strengthen your diaphragm and external intercostals with just 30 reps a day. The O2Trainer helps expand lung capacity and boost oxygen efficiency during workouts, sports, or daily activity.\u003c\/li\u003e\n\u003cli\u003eCUSTOMIZABLE AIR RESISTANCE TRAINING: Includes 16 interchangeable intake caps to adjust airflow restriction and increase resistance as your inspiratory strength improves—just like progressive overload for your lungs.\u003c\/li\u003e\n\u003cli\u003ePORTABLE \u0026amp; EASY TO USE ANYWHERE: Lightweight, compact, and travel-ready—no batteries or apps required. Perfect for athletes, travelers, and anyone wanting to train respiratory power on the go.\u003c\/li\u003e\n\u003cli\u003ePERFORMANCE ENHANCEMENT FOR ALL: Ideal for athletes, military, singers, hikers, and climbers. Whether you're training for endurance, altitude, or voice control, the O2Trainer is your all-in-one breath trainer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003emodel number:\u003c\/b\u003e 900-02T-Blue\u003c\/p\u003e\u003cp\u003e\u003cb\u003ePart Number:\u003c\/b\u003e 620BL\u003c\/p\u003e\u003cp\u003e\u003cb\u003eEAN:\u003c\/b\u003e 0091037348494\u003c\/p\u003e\u003cp\u003e\u003cb\u003ePackage Dimensions:\u003c\/b\u003e 7.6 x 4.9 x 1.8 inches\u003c\/p\u003e","brand":"O2Trainer","offers":[{"title":"Default Title","offer_id":44633977585750,"sku":"B00CXS7D5M","price":139.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6471\/0742\/files\/71xuNETOdVL.jpg?v=1777438758","url":"https:\/\/www.matildaco.com\/products\/bas-rutten-o2trainer-breathing-muscle-training-device-lung-power-endurance-tool-for-athletes-singers-high-altitude-performance-diaphragmatic-respiratory-trainer-16-resistance-caps-blue","provider":"Matilda Co","version":"1.0","type":"link"}