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The J03 Deep Tissue Massage Gun by Fenli provides targeted muscular relief for high-demand wellness markets. Designed with an original, industry-proven compact chassis, this wholesale percussion massage gun combines high-torque motor performance with flexible customization. Fenli offers both an accessible 6-speed button interface and an advanced 32-speed LCD touch variant to serve different market segments. Built with durable ABS material, housing multiple massage attachments, and featuring a scalable 1200mAh to 2000mAh battery architecture, the J03 is engineered specifically for B2B distributors, brand owners, and fitness equipment suppliers seeking dependable OEM/ODM manufacturing.
Muscle recovery tools have shifted from specialized physical therapy clinics directly into mainstream daily wellness routines. The J03 Deep Tissue Massage Gun stands at the intersection of portable ergonomics and steady kinetic delivery. Fenli developed this unit with an iconic, widely respected compact form factor that balances weight distribution perfectly in hand.
Unlike oversized handheld massagers that cause wrist fatigue during extended application, Fenli designed the J03 to weigh under 1 kg while maintaining optimal downward force. The entire casing and kinetic attachment heads utilize high-grade Acrylonitrile Butadiene Styrene (ABS) polymer, selected specifically for its high impact resistance, thermal stability, and lightweight properties. This ensures the unit survives high-volume commercial handling, gym environments, and frequent transit without structural degradation.
| Material | ABS |
| Product Size | 22*20*5cm |
| N.W/G.W | 0.604/0 .898kgs |
| Color Box Size | 25*22*7cm |
| Battery Capacity | 18650 7.4V 1200mAh |
| Qty/Ctn | 10pcs |
| Ctn N.W/G.W | 9/9 .5kgs |
| Speed Level | 6 speeds adjustable |
| Charging time | 2-2.5h |
| Working time | 150-180mins |
Dual Interface Configurations: Available in an economical 6-speed push-button edition for entry-level markets, as well as a high-precision 32-speed LCD digital interface for professional users who demand micro-adjustments.
Original Industrial Aesthetic: Features an iconic silhouette developed by Fenli that has established a visual standard across the handheld massage industry.
Multi-Head Kinematic System: Accommodates between 4 to 6 specialized ABS massage heads, engineered to target varied muscle depths—from broad muscle groups like quadriceps to concentrated trigger points along the back and arms.
High-Efficiency Type-C Power: Features a modern Type-C charging port paired with a standard 7.4V architecture, providing universal charging accessibility across modern power adapters.
Low-Noise Acoustic Dampening: Internal drive components are isolated within shock-absorbing mounts, keeping operating sound levels low enough for quiet office environments, late-night home use, or shared training facilities.
To deliver consistent percussion depth without motor stall, Fenli incorporates a specialized high-torque motor designed to manage sustained counter-pressure. When applying localized pressure to dense tissue areas like the gluteal or hamstring complexes, inferior massagers often stall or overheat due to sudden current spikes. The J03 utilizes an intelligent control board that regulates voltage delivery during varying load pressure.
From an engineering perspective, thermal management is crucial for battery longevity in sealed handheld devices. Fenli designed internal convective airflow channels within the ABS top housing. As the internal motor operates, ambient air draws through bottom vents and passes over the motor casing, venting warm air away from the internal 18650 lithium battery cell bank. This thermal passive design protects battery cell chemistry, preserves overall cycle life, and supports operating runtimes between 150 and 180 minutes per charge cycle.
Athletes use the J03 to warm up muscle tissue prior to exertion and to relieve post-workout tightness. The interchangeable heads allow trainers to target localized areas such as calves, quads, and shoulders, helping to support natural circulation after strenuous training sessions.
Prolonged sitting behind a desk often leads to posture-related tension in the upper back, trap muscles, and lower lumbar region. The compact 0.6kg frame enables professionals to self-massage awkward angles around their upper back and shoulders right at their workspace.
Thanks to its light structure and compact 22x20x5 cm profile, the J03 fits easily into gym bags, carry-on luggage, or backpacks. This mobility makes it a convenient travel companion for long flights, road trips, or mobile physical therapy practices.
Fenli understands that private label clients, wholesalers, and retail chains require flexible manufacturing options to differentiate their product lines. The J03 provides an adaptable platform designed for seamless OEM and ODM integration:
Custom Surface Treatments: Fenli provides custom spray painting options, including matte finishes, metallic sheens, soft-touch rubberized coatings, and custom brand color matching (Pantone system).
Scalable Power Systems: While the standard model ships with a cost-effective 1200mAh battery pack, Fenli offers factory-installed upgrades up to 2000mAh for brands targeting premium markets requiring extended operating times.
Flexible Packaging & Branding: Custom logo placement via precision silk-screen or laser engraving on the ABS body, along with full-color retail box designs tailored to regional retail standards.
Logistics Efficiency: High-density master carton layout (10 units per carton at 9.5 kg gross weight) maximizes container loading efficiency. A single 20GP container accommodates 5,500 units, while a 40HP container yields up to 13,600 units, significantly lowering unit freight costs for bulk import partners.
