1. Introduction
The RENPHO Deep Tissue Massage Gun, Model RP-GM171-N1, is a portable percussion massager designed for muscle relief and relaxation. Featuring a high-torque brushless motor and premium metal housing, it delivers powerful deep tissue massage. This device is equipped with convenient USB-Type C charging, an ergonomic non-slip handle, and offers 5 speed settings with 5 interchangeable massage heads to target various muscle groups. A preset 10-minute auto-off feature is included to prevent prolonged usage.
2. Safety Information
To ensure safe operation and prevent injury, please observe the following safety guidelines:
- Do not use on injured or inflamed areas.
- Consult a healthcare professional before use if you have a medical condition.
- Do not use while operating a vehicle or heavy machinery.
- Keep away from water or damp environments.
- Ensure the device is properly charged and not damaged before use.
- Do not apply excessive pressure while using the massager.
3. Setup
3.1 Charging the Device
Before initial use, fully charge the massage gun. Connect the device using a USB-Type C cable to a 5V/2A adapter (not included) or a power bank. The LED display will indicate the charging status. Ensure the device is fully charged for optimal performance.

Figure 3.1: RENPHO Massage Gun connected for USB-C charging.
3.2 Attaching Massage Heads
The RENPHO Massage Gun comes with 5 different shaped massage heads to target various muscle groups. To attach a head, ensure the massager is turned off. Gently insert the desired head into the opening on the device. To remove, pull the head straight out. Refer to the image below for visual guidance on head installation.

Figure 3.2: Overview of the 5 personalized massage heads.

Figure 3.3: Instructions for installing a massage head. Ensure the massager is turned off before installation.
4. Operating Instructions
4.1 Power On/Off and Speed Adjustment
To power on the device, press and hold the power button located on the control panel. The LED display will illuminate, showing the current battery level and speed setting. Press the power button repeatedly to cycle through the 5 available speed levels, ranging from 1800 to 3200 percussions per minute. To power off, press and hold the power button again.

Figure 4.1: LED display indicating speed and battery level.
4.2 Usage Guidelines
Apply the massager to the desired muscle area. Move the device slowly across the muscle, applying gentle pressure. The massager is suitable for various body parts, including the back, legs, neck, and feet. The device features a preset 10-minute auto-off function to prevent overuse and ensure safety. Adjust the intensity based on your comfort level.

Figure 4.2: Demonstrating use of the RENPHO Massage Gun on a leg.

Figure 4.3: The portable massager can be used for relaxation anytime, anywhere.
5. Maintenance
To maintain your RENPHO Massage Gun, ensure it is clean and stored properly. Wipe the device with a soft, damp cloth after each use. Do not use abrasive cleaners or immerse the device in water. Store the massager and its attachments in the included travel case to protect them from dust and damage, ensuring it is ready for on-the-go use.
6. Troubleshooting
If your RENPHO Massage Gun is not functioning as expected, consider the following:
- Device not turning on: Ensure the device is fully charged. If it still doesn't turn on after charging, contact customer support.
- Reduced power/performance: This may indicate a low battery. Recharge the device fully.
- Unusual noise or vibration: Discontinue use immediately and contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 5.79 x 2.36 x 7.32 inches |
| Item Model Number | RP-GM171-N1 |
| Batteries | 1 Lithium Ion battery required |
| Weight | 1.5 Pounds (680 Grams) |
| Manufacturer | RENPHO |
| Power Source | Battery Powered |
| Material | Metal, Plastic |
| Use for | Back, Foot, Legs, Neck, Whole Body |
8. Warranty and Support
For warranty information, technical support, or any inquiries regarding your RENPHO Deep Tissue Massage Gun, please refer to the contact information provided in the product packaging or visit the official RENPHO website. Keep your purchase receipt for warranty claims.







