IKEEPFIT MAXwarm 4.0 Cordless Heated Knee Massager — 2026 Upgraded Vibration Knee Brace with 5 Heat Levels (113–149°F), 3 Massage Modes, Grey, Pair (2-Pack)

- Model & Upgrade: IKEEPFIT MAXwarm 4.0, fully redesigned for 2026, delivers a doubled heating area and upgraded features in a 2-pack (pair) format. - Heating Coverage & Temperatures: Expanded heating surface up to 16,800 mm² provides 360° knee warmth with five adjustable temperature settings from 113 to 149°F. - Massage Modes: Three vibration intensities—gentle, soothing and intense—with independent on/off control for tailored relief. - Cordless Portability: Ultra-thin, foldable design with a high-capacity 5000mAh battery for on-the-go heat and massage; a single charge supports at least 10 uses and is FSA/HSA eligible. - Premium Battery & Safety: Japanese high-energy-density battery, NTC smart temperature regulation and energy-saving circuitry prevent overheating and over-massaging; lab-tested for longevity with over 2,000 charge cycles and a 2-year battery warranty. - Fit & Adjustability: Ergonomic, soft-material construction with adjustable Velcro straps; includes two 8-inch extension straps and a 28-inch shoulder strap, with additional extension straps available on request. - Comfort & Materials: Soft, skin-friendly fabrics replace rigid plastics for a more comfortable, wearable experience that stays in place even during walking. - Ideal Gift & Use Cases: Packaged in an elegant gift box, a practical and thoughtful present for seniors, runners, office workers, commuters and long-distance drivers for birthdays, Mother’s/Father’s Day and holidays. - Manufacturer Commitments: IKEEPFIT offers full pre-shipment inspection, upgraded premium materials, a clear user manual, optional extra straps on request, 24/7 professional customer support and a 2-year extended guarantee. - Proven Lineage: Building on the original MAXwarm launched in 2005, the 4.0 reflects two decades of refinement and features a heating area twice the size of many alternatives.