{"id":79451,"date":"2026-07-16T13:11:04","date_gmt":"2026-07-16T11:11:04","guid":{"rendered":"https:\/\/altitude-zone.com\/producto\/train-red-fyer-2-0-muscle-oxygen-sensor-app\/"},"modified":"2026-07-16T13:11:04","modified_gmt":"2026-07-16T11:11:04","slug":"train-red-fyer-2-0-muscle-oxygen-sensor-app","status":"publish","type":"product","link":"https:\/\/altitude-zone.com\/en\/producto\/train-red-fyer-2-0-muscle-oxygen-sensor-app\/","title":{"rendered":"Train.Red FYER 2.0 muscle oxygen sensor + app"},"content":{"rendered":"<h4 data-end=\"632\" data-start=\"603\"><strong data-end=\"630\" data-start=\"608\">What\u2019s in the box?<\/strong><\/h4>\n<p data-end=\"781\" data-start=\"633\">\u2714\ufe0f Train.Red FYER Sensor<br data-end=\"660\" data-start=\"657\"\/>\u2714\ufe0f Charging cable<br data-end=\"680\" data-start=\"677\"\/>\u2714\ufe0f <strong data-end=\"697\" data-start=\"683\">Patch Pack<\/strong> (20 adhesive patches)<br data-end=\"722\" data-start=\"719\"\/>\u2714\ufe0f <strong data-end=\"739\" data-start=\"725\">Strap Pack<\/strong> (sizes S-M-L)<br \/>\n\u2714\ufe0f <strong data-end=\"739\" data-start=\"725\">Waterproof <\/strong>USB <strong data-end=\"739\" data-start=\"725\">plug<\/strong><br data-end=\"756\" data-start=\"753\"\/>\u2714\ufe0f Durable travel bag<\/p>\n","protected":false},"excerpt":{"rendered":"<p data-end=\"781\" data-start=\"633\">Achieve next-level performance with the NEW <strong data-end=\"138\" data-start=\"120\">Train.Red FYER 2.0<\/strong>, the most advanced wearable muscle oxygen sensor on the market. While athletes invest in equipment, training plans, and supplements, the true engine of performance is often overlooked: <strong data-end=\"341\" data-start=\"324\">the muscles.<\/strong> <\/p>\n<p data-end=\"601\" data-start=\"345\">With real-time <strong data-end=\"385\" data-start=\"360\">muscle oxygen (SmO\u2082%)<\/strong> tracking, FYER helps you optimize training, recovery, and performance like never before. Additionally, you can connect <strong data-end=\"547\" data-start=\"497\">more than 10 FYER sensors to a single smart device, perfect <\/strong>for <strong data-end=\"599\" data-start=\"560\">team monitoring and group training.<\/strong> <\/p>\n<p>SPECIFICATIONS:<\/p>\n<ul>\n<li><strong>Size:<\/strong> 1.2 x 4.4 x 5.9 cm (0.5 x 1.7 x 2.3 in)<\/li>\n<li><strong>Weight:<\/strong> 20 g<\/li>\n<li><strong>Measurement depth:<\/strong> Up to 20 mm into the muscle<\/li>\n<li><strong>Distance between light source and detector:<\/strong> Up to 35 mm<\/li>\n<li><strong>Water resistant:<\/strong> Yes (swimming possible by adding a plug)<\/li>\n<li><strong>Battery life:<\/strong> Up to 20 hours of active use<\/li>\n<li><strong>Speed:<\/strong> 10 Hz<\/li>\n<li><strong>Connectivity:<\/strong> BLE and ANT<\/li>\n<li><strong>IMU:<\/strong> gyroscope and accelerometer<\/li>\n<li><strong>On-board storage:<\/strong> Your data is always available<\/li>\n<li><strong>Multi-device connection:<\/strong> Connect <strong>more than 10 FYER sensors to 1 smart device<\/strong> for team or group monitoring.<\/li>\n<li><strong>Materials:<\/strong> High-quality biocompatible ABS and TPE<\/li>\n<\/ul>\n","protected":false},"featured_media":79452,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[],"product_cat":[124],"product_tag":[],"class_list":["post-79451","product","type-product","status-publish","has-post-thumbnail","product_cat-pulse-oximeter","first","instock","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/altitude-zone.com\/en\/wp-json\/wp\/v2\/product\/79451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altitude-zone.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/altitude-zone.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/altitude-zone.com\/en\/wp-json\/wp\/v2\/comments?post=79451"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altitude-zone.com\/en\/wp-json\/wp\/v2\/media\/79452"}],"wp:attachment":[{"href":"https:\/\/altitude-zone.com\/en\/wp-json\/wp\/v2\/media?parent=79451"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/altitude-zone.com\/en\/wp-json\/wp\/v2\/product_brand?post=79451"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/altitude-zone.com\/en\/wp-json\/wp\/v2\/product_cat?post=79451"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/altitude-zone.com\/en\/wp-json\/wp\/v2\/product_tag?post=79451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}