{"product_id":"u-shaped-arm-strength-trainer-3-level-spring-exerciser","title":"U-Shaped Arm Strength Trainer - 3-Level","description":"\u003cdiv id=\"offer-template-0\" style=\"max-width: 100%; width: auto;\"\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"max-width: 100%; width: auto;\"\u003e\n\u003cp style=\"line-height: 2; max-width: 100%; width: auto;\"\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003cbr\u003eThree-level adjustable resistance: The U-Shaped Arm Strength Trainer has customizable intensity settings for progressive strength training\u003cbr\u003eU-shaped spring design: This U-Shaped Arm Strength Trainer is ergonomically contoured for comfortable grip and efficient force distribution\u003cbr\u003eCompact indoor fitness equipment: Space-saving solution for home or gym upper body workouts\u003cbr\u003eTargeted muscle engagement: Effectively trains pectoral, bicep, and arm muscles through flexion exercises\u003c\/p\u003e\n\u003cp style=\"line-height: 2; max-width: 100%; width: auto;\"\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 2; max-width: 100%; width: auto;\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003eType: Spring-type arm strength trainer\u003cbr\u003eResistance Range: 20-40kg (black-blue variant), 30-50kg (black-red variant)\u003cbr\u003eMaterial: Steel spring with foam grip handles\u003cbr\u003eProduct Dimensions: Approximately 50cm length (based on visual estimation from product images)\u003cbr\u003eWeight Capacity: Designed to withstand repeated flexion within specified resistance ranges\u003c\/p\u003e\n\u003cp style=\"line-height: 2; max-width: 100%; width: auto;\"\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 2; max-width: 100%; width: auto;\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003cbr\u003eArm strength trainer*1\u003c\/p\u003e\n\u003cp style=\"line-height: 2; max-width: 100%; width: auto;\"\u003e\u003c\/p\u003e\n\u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/01\/14\/6f4b17cd-a294-4d38-904f-a8f17a6f7d3e.jpeg\" usemap=\"#_sdmap_5\"\u003e\u003cimg style=\"display: block; 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height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/01\/14\/5eac6057-45fd-4d61-9038-6f10adabf357.jpeg\" usemap=\"#_sdmap_13\"\u003e\u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/01\/14\/74c13389-3556-4e13-a373-a587fb351298.jpeg\" usemap=\"#_sdmap_14\"\u003e\u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/01\/14\/4c5f212b-24a0-4e11-b19b-b7682c21bd57.jpeg\" usemap=\"#_sdmap_15\"\u003e\u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/01\/14\/815a245a-e000-46e5-99fe-564a4af5f1d0.jpeg\" usemap=\"#_sdmap_16\"\u003e\u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/01\/14\/793610be-e308-41af-9d7c-946363ab54d4.jpeg\" usemap=\"#_sdmap_17\"\u003e\u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/01\/14\/5639ab83-860c-47b1-b6d7-f687e84c1e55.jpeg\" usemap=\"#_sdmap_21\"\u003e\n\u003c\/div\u003e","brand":"DoubleJoy Store","offers":[{"title":"Black Blue U-Shaped Arm Exerciser","offer_id":50021206360297,"sku":"SU00074477-Black Blue U-Shaped Arm Exerciser","price":12.0,"currency_code":"USD","in_stock":true},{"title":"Black Red U-Shaped Arm Exerciser","offer_id":50021206393065,"sku":"SU00074477-Black Red U-Shaped Arm Exerciser","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/3297\/5849\/files\/fb6e6407-f89d-47d9-bdd5-93ff8c8abb1b.jpg?v=1771493474","url":"https:\/\/doublejoystore.com\/es\/products\/u-shaped-arm-strength-trainer-3-level-spring-exerciser","provider":"DoubleJoy Store","version":"1.0","type":"link"}