RENPHO Extend R-C004 Manual
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Important Safety Instructions
READ ALL INSTRUCTIONS CAREFULLY BEFORE USING.
When using this device, the following basic precautions should be always followed:
- The device is intended for household use only and not intended for medical use.
- This device is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the device by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the device.
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To reduce the risk of electric shock:
- Do not attempt to retrieve the device if it falls into water.
- Do not use while bathing or in a shower.
- Do not use the device with wet hands.
- Do not place or store the device in areas where it may fall or be pulled into a tub or sink. Do not place in or drop into water or other liquid.
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To reduce the risk of fire, electric shock, or injury to persons:
- Please consult your doctor before using if you are a user of the following persons:
- Children under 8
- Pregnant women
- Persons with blood stasis
- Persons with fractures
- Persons with heart disease, a pacemaker, defibrillator, or metal contents in the body
- If you have experienced joint surgery within 90 days, do not use the device on your body within 3 inches of the surgical site.
If you feel unwell or have any unusual discomfort, please stop using the device immediately.
- Do not use the massage gun on
- Sensitive skin, swollen or inflamed areas, in areas where there is poor circulation, where skin eruptions are present, or in the area of unexplained abdominal pain
- Head, face, cervical vertebrae, body bones, varicose veins, tumor site, throat area, any possible fracture site, positions close to the bony areas: the humerus, the back of the foot, the back of the hand, etc
- Genital area (Do not use this device for sexual purposes. It is a powerful massaging device and may cause severe bodily harm.)
- Unconscious or sleeping persons
- Do not operate under a blanket or pillow. Excessive heating may occur and cause fire, electric shock, or injury to persons.
- Never operate the device with the air openings blocked. Keep the air openings free of lint, hair, etc.
- Close supervision is necessary when this device is used by, on or near children, invalids, and disabled persons.
- Use this device only for its intended use as described in this manual. Do not use attachments not recommended by the manufacturer
- Never operate this device if it is not working properly, has been damaged, or dropped into water.
- Never drop or insert any object into any opening.
- Do not operate in the areas where aerosol (spray) products are being used or where oxygen is being administered.
- Do not keep the device near a magnetic field or in the areas where it can be affected by a magnetic field as it may cause batteries to discharge.
- Avoid touching the gap between the massage head and body with your finger or hair to avoid pinching.
- Keep the device away from heat and avoid using it in places where the surrounding temperature is relatively hot.
- Do not drop, apply excessive force or heavy weight over the device to avoid malfunction and/or damage.
- If a high temperature or foul odor occurs while using the device, stop using the device immediately.
- Do not use the device in close proximity to long hair, loose clothing or jewelry.
- Avoid applying excessive pressure on the massage head and refrain from massaging the same area continuously for an extended period of time.
About the Battery
- Do not expose the device or battery to excessive temperatures.
- Be aware of the risk of terminals of the battery-operated device or battery being short- circuited by metal objects.
- This device contains batteries that are non-replaceable. When the battery is at end of life, the device shall be properly disposed of.
- Do not dismantle, open or shred battery.
- Do not subject cells or batteries to mechanical shock.
- In the event of a cell leaking, do not allow the liquid to come in contact with the skin or eyes. If contact has been made, wash the affected area with copious amounts of water and seek medical advice.
- Secondary cells and batteries need to be charged before use. Always use the correct charger and refer to the manufacturer's instructions or product manual for proper charging instructions.
- Do not leave a battery on prolonged charge when not in use.
- After extended periods of storage, it may be necessary to charge and discharge the cells or batteries several times to obtain maximum performance.
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The battery used in this device may present a risk of fire or chemical burn if mistreated. Do not recharge, disassemble, heat above 100°C (212°F).
SAVE THESE INSTRUCTIONS
About the Product
What's in the Box
1 × Massage Gun
1 × User Manual
1 × Type-C Charging Cable
2 × Rubber Sleeve
4 × Massage Head
Product Parameter
Product Name: Massage Gun
Model: R-C004
Input: 5V
2A
Battery Voltage: DC 7.4V
Battery Capacity: 2000mAh 14.8Wh
Amplitude: 8mm
Speed: 1-4
RPM: 1600-2600r/min
Auto-off Timer: 10 minutes
Weight: 1.1lb/490g
Dimension: 14.1×3.8×1.8inch/358×95×46mm
Product Overview
![RENPHO - Extend R-C004 - Product Overview Product Overview]()
Before Using
Charge the Device
*Fully charge the device before the first use.
![RENPHO - Extend R-C004 - Charge the Device Charge the Device]()
- Please charge the device using the provided Type-C charging cable and a DC 5V 1A/2A charger (not included) when only one battery indicator flashes. The device also supports C-C charging.
- It takes about 3.5 hours to fully charge the device. When charging the device, the battery indicators will flash in sequence. The indicators will turn solid once the charging is complete. Each full charge supports 4-5 hours of use.
Note: Do not use the device while charging.
Attach/Detach the Extension Handle
- To attach the extension handle, push it into until you hear a "click", indicating the extension handle is installed correctly and securely. Ensure it is installed in the correct direction as shown in Fig. 1.
![RENPHO - Extend R-C004 - Attach/Detach the Extension Handle - Step 1 Attach/Detach the Extension Handle - Step 1]()
Fig. 1 - To detach the extension handle, press and hold both locking buttons and pull the extension handle out as shown in Fig. 2.
![RENPHO - Extend R-C004 - Attach/Detach the Extension Handle - Step 2 Attach/Detach the Extension Handle - Step 2]()
Fig. 2
Tip: The massage gun can work with or without the extension handle.
Using the Product
Step 1: Choose a preferred massage head and attach it.
Ensure the massage head is fully inserted into the slot.
Ball head
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For large muscle groups like quads, glutes, extreme muscles, and joint soreness.
Bullet head
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For joints, deep tissues, trigger points and small muscle areas like feet and wrists.
Rubber sleeve
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Each massage head is pre-installed with a rubber sleeve that ensures the massage head is securely attached to the massage gun. If it is damaged, replace it with a spare one.
U-shaped head
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For the spine, neck and Achilles tendon.
Flat head
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For the shoulder blades and IT bands or for a relaxing full-body massage.
Note: Ensure the device is off before you swap the massage head.
Step 2: Press and hold
for 2s to turn on/off the device.
Once the device is turned on, speed level 1 will be activated by default and the corresponding indicator will be on.
Step 3: After powering on, press
to cycle through the speed levels among Level 1/2/3/4
![RENPHO - Extend R-C004 - Using the Product Using the Product]()
Step 4: Target your muscle groups for massage with the device.
It is recommended to rest the massage head perpendicularly over your muscle and begin massaging on the lowest setting and work your way up to higher speeds as you get used to the intensity.
Note:
- The device has an auto-off timer (10 minutes). After 10 minutes of continuous use, the device will automatically shut down. It is not recommended to use the device for more than 30 minutes at a time.
- If you apply too much pressure on the device during your session, the device will stall to prevent injury or bruising.
Cleaning and Maintenance
- Place the device in a cool, dry place when not in use.
- Always turn off the device before cleaning. Wipe with a soft cloth slightly dampened with non-abrasive cleaners. Keep away from all solvents and harsh detergents.
- Do not attempt to disassemble or repair the device. The device does not contain user-serviceable parts.
Troubleshooting Guide
Problem | Cause | Solution |
The device cannot be turned on | Short press the Power button. | Press and hold the Power button for 2s to turn the device on. |
The battery is dead. | Charge the device. |
The device shuts down suddenly | Auto-off timer: The device will automatically shut down after 10 minutes of continuous use. | Turn on the device again. It is not recommended to massage for more than 30 minutes at a time. |
Built-in locked-motor protection: When the massage head is pressed with excessive force, the protection will be triggered, shutting the device off. |
Built-in overheat protection: It will automatically shut off the massage gun when overheating occurs. | Wait for the device to cool down before turning it on again. |
The device fails to work | The massage head is inserted too tightly. | Pull out the massage head a little and turn on the device. |
Fail to attach the extension handle | The extension handle is not oriented correctly. | Check the respective joints of the massage gun and the extension handle, then align the slots and push the extension handle in. |
Fail to detach the extension handle | Only one locking button is pressed. | Press and hold both locking buttons and pull the extension handle out. |
If you encounter any other problems, please feel free to contact our customer service. |
Warranty Policy
Your RENPHO product purchase is covered by a one-year limited manufacturer warranty from the date of delivery. For warranty terms and conditions, please visit: https://renpho.com/pages/warranty-terms-and-conditions
Note: Product registration is not required for the warranty. If you choose not to register your product, it will not diminish the product warranty.
Customer Service
Please feel free to contact us if you have any questions or concerns. RENPHO Customer Service Team guarantees a quick response and hassle-free solutions to any issue you may have within business hours.
TEL: +44(0)7434 666088 (UK ONLY)
Monday-Friday 9:00AM-5:00PM (GMT)
+1(844) 417 0149 (US&CA)
Monday-Friday 9:00AM-4:30PM
1800 MY RENPHO (1800 69 7367) (AU ONLY)
Monday-Friday 9:00AM-6:00PM (AEST)
+49 40 23969285 (DE ONLY)
Monday-Friday 9:00AM-6:00PM (CET)
Email: support-eu@renpho.com (UK&EU)
support@renpho.com (US&CA)
support-au@renpho.com (AU)
*For defective products or the return of items, please contact us with your order number within the specified warranty period. DO NOT dispose of any product parts as they may be required for inspection/repair.
Documents / Resources
References
Download manual
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download RENPHO Extend R-C004 Manual
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