1. Introduction
Thank you for choosing the RENPHO Massage Gun Active 2. This device is designed to provide deep tissue percussion massage, aiding in muscle recovery and relaxation. Featuring a powerful brushless motor, multiple speed settings, and versatile massage heads, it offers a customizable massage experience. This manual provides essential information for safe and effective use of your device.

Image: RENPHO Massage Gun Active 2 with its carrying case and various massage heads.
2. Package Contents
- RENPHO Massage Gun Active 2
- 5 Specialized Massage Heads: Ball, Bullet, Flat, Fork, U-shaped
- Portable Carrying Case
- USB Type-C Charging Cable
- User Manual (this document)
3. Setup
3.1 Charging the Device
Before initial use, fully charge the massage gun. Connect the provided USB Type-C charging cable to the charging port located at the bottom of the handle. Use any 5V/2A adapter, power bank, or car charger. The battery indicator lights will show the charging status.

Image: The massage gun charging via its Type-C port.
3.2 Attaching Massage Heads
To attach a massage head, align the head with the opening on the device and push it firmly into place. Ensure it is securely seated before use. To remove, gently pull the head straight out.
4. Operating Instructions
4.1 Power On/Off
Press and hold the power button on the back of the device for a few seconds to turn it on. The device will start at the lowest speed setting. To turn off, press and hold the power button again.
4.2 Adjusting Speed Levels
Once powered on, short press the power button to cycle through the 5 available speed settings. The indicator lights on the device will show the current speed level. The device delivers up to 3200 RPM for deep tissue massage.
4.3 Using Heat and Cool Therapy
The RENPHO Massage Gun Active 2 features a specialized head for hot and cold therapy. This head is rechargeable via its own Type-C port. To activate the heat function, press and hold the 'sun' button on the head. To activate the cool function, press and hold the 'snowflake' button. Cycle through different intensity levels by short pressing the respective button. The heat function can reach up to 113°F, and the cool function can go down to 47°F.
Video: Demonstration of the hot and cold attachment's temperature capabilities and its separate charging port.
Video: A physical therapist demonstrating the use of the Thermacool massage gun for hip bursitis.
Video: A physical therapist demonstrating the use of the massage gun for IT band and hamstring massage.
4.4 Recommended Usage
Apply the massage gun to the desired muscle area. Move the device slowly and gently over the muscle, applying light to moderate pressure. Avoid using on bones, joints, or sensitive areas. The device has a 10-minute auto-off protection to prevent overheating and extend motor life.

Image: A man demonstrating the ergonomic grip while massaging his thigh.

Image: A man using the massage gun on his knee area for muscle relief.
5. Massage Heads & Their Applications
- Ball Head: Ideal for large muscle groups like arms, back, hips, and thighs.
- Bullet Tip: Designed for pinpoint massage, targeting trigger points and small muscle areas.
- Flat Head: Suitable for general full-body relaxation and broad muscle areas.
- Fork Head: Best for the spine, Achilles tendon, and other areas with natural curves.
- U-shaped Head: For neck and joints, providing targeted relief around bony areas.
6. Maintenance
6.1 Cleaning
Wipe the device and massage heads with a slightly damp cloth after each use. Do not use abrasive cleaners or immerse the device in water.
6.2 Storage
Store the massage gun and its accessories in the provided carrying case in a cool, dry place, away from direct sunlight and extreme temperatures.

Image: The portable carrying case allows for convenient storage and transport.
7. Troubleshooting
- Device not turning on: Ensure the device is fully charged. Press and hold the power button for a few seconds.
- Weak percussion: Check the battery level. If low, recharge the device. Ensure the massage head is securely attached.
- Heat/Cool function not working: Ensure the specialized head is fully charged and securely attached to the main unit. Press and hold the respective heat/cool button.
- Device stops unexpectedly: The device has a 10-minute auto-off safety feature. If it stops before 10 minutes, check for low battery or excessive pressure.
8. Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 11 x 8.5 x 3.55 inches |
| Item Model Number | R-C003 BK |
| Item Weight | 2.76 Pounds (1.25 Kilograms) |
| Power Source | Battery Powered (1 x 12V battery included) |
| Material | Acrylonitrile Butadiene Styrene, Premium Metal Housing |
| Speed Settings | 5 adjustable speeds (up to 3200 RPM) |
| Noise Level | Ultra-quiet (approx. 40dB) |
| Charging | Type-C Fast Charging (5V/2A) |
| Auto-off Protection | 10 minutes |
9. Safety Information
- Do not use on broken or injured skin.
- Discontinue use if you experience pain or discomfort.
- Keep out of reach of children.
- Consult a physician before use if you have any medical conditions.
- Do not immerse the device in water.
- Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
10. Warranty and Support
RENPHO products are designed for durability and performance. For warranty information, product support, or any inquiries, please refer to the official RENPHO website or contact customer service directly. Keep your purchase receipt for warranty claims.
Visit the RENPHO Store for more information.







