COMFIER logoCF-4803B
Hand Massager with Heat
User Manual

COMFIER CF 4803B Hand Massager with Heat -


Thank you for purchasing COMFIER HAND MASSAGER WITH HEAT With normal care and proper treatment,it will provide years of reliable service FEATURES
– Intelligent Pressure with soothing heat function.
– Personalize your massage with 3 different intensity levels.
– Perfect for computer workers, pianists and housewives.
– Rechargeable battery included
– Light weight and easy to carry for massage everywhere.


  • Hand Massager with Heat
  • USB cable

COMFIER CF 4803B Hand Massager with Heat - CONTENTS


Measurements: 7.48 x 7.28 x 4.13 inches
Weight: 1.98 lbs
Battery Voltage: 3.7VDC 2200mAh
Nominal Power: Max. 8 Watt
Battery Full Charging: ≤ 3 hours
Battery Max. Runtime: ≥ 1.5hours
Default Automatic Runtime: 15 minutes

Operation and controller instructions

COMFIER CF 4803B Hand Massager with Heat - Heat Button

Battery Charging

  1. Connect the USB cable to the corresponding port on the device.
  2. Normally it takes 2.5-3 hours to fully charge the battery.
  3. While charging,the indicator light turns flash red , when full charged,the indicator light will keep green.
  4. If the battery is full,the device can work continuously for around 1.5 hours.
  5. You are able to use the massager whilst charging, but it is recommended to charge the battery first then use.

COMFIER CF 4803B Hand Massager with Heat - Battery Charging

Please use in the manner shown below

  • This device will switch off automatically afer 15 minutes timer run out.
  • Do not setup or use the massager in a bathroom or similary wet / damp areas.
  • Do not use this device while driving. For your own safety we equip the massager with a protection against over-heating.Heat is created in the motors when placed under great stress and excessive pressure. Before this could create any risk and after a runtime of 15 Minutes.
  • Likewise, you should allow your body some rest periods. To avoid straining your muscles too much, we recommend to not exceed a continuous massage of 15 Minutes

Safety Instructions

MELLOW HD NSB 14F FE 14 Inch Full Bifold Metal Platform Bed Frame Heavy Duty Steel Slats - Icon Please read the following instructions carefully before putting your massage device into use to ensure trouble-free operation and optimum efficiency.
Please retain these operating instructions for further use!

  • The massage device conforms to recognized technical principles and the latest safety regulations.
  • Do not wet,do not use pins, never remove cover.
  • This items is NOT A TOY. Close supervision is necessary when this appliance is used by , on,or near children or disabled persons.
  • This appliance should never be left unattended when plugged in.
  • Any possible repairs may only be carried out by authorized expert staff.
    Improper use and unauthorized repairs are not permitted for safety reasons and lead to loss of warranty.
  • Never touch the power plug with wet hands.
  • Please avoid contact of the device with water, high temperatures and direct sunlight.
  • Do not use any damaged cables, plugs or loose sockets.
  • In case of malfunction, disconnect immediately from the mains.
  • Do not use if you have skin disorders, open wounds,or swollen or inflamed areas.
  • Misuse or incorrect use excludes any liability for damage.
  • Do not use this device while driving.
  • Do not use while you sleep.
  • In order to avoid excessively stimulating the muscles and nerves, the recommended massage time should not be exceeded 15 minutes at a time.
  • Each massage – even a hand massage – must be refrained from during pregnancy or if one or more of the following complaints are present in the massage area: recent injuries,thrombotic diseases, all kinds of in flammations and swellings, and cancer. It is recommended to consult a doctor before having a massage for the treatment of ailments and illnesses.
  • If you are dependent on electrical aids e.g. pacemakers, please be sure to consult your doctor for medical advice before taking a massage.
  • The packaging material supplied should not be used as a toy.
    Failure to observe the above instructions may constitute misuse of the product and can cause serious injury or burns.
  • Do not use this product for medical treatment.

Care and Cleaning Instructions


  1. Dampen a cloth in water or a 3%–5% mild detergent solution.
  2. Wipe the dirty areas with the wet cloth.
  3. Wait for the unit to become fully dry before use.
  4. Always unplug the unit before cleaning it.
  5. Before cleaning, allow unit to cool.
  6. Wipe the unit with a soft, dry cloth. Do not use cloths containing any kind of chemical or alcohol and solvent liquids.
  7. Never submerge any part of the unit in liquid.
  8. Place massager in a safe, dry, and cool place. Avoid contact with sharp edges or pointed objects which might cut or puncture the surface.


Trouble Reason/Solution
Can not start the massager Battery Low/ Please charge it before using
The massager stoped abnormally Battery runs out of power/ charge the battery or Self-timed 15 mins is out,restart the product
Massager slight noise It is normal working noise of the internal mechanism


If you have any issue about the product, please feel free to contact us by sending email to We will strive to provide the best service possible within 24 hours.
30 days unconditionally Return
Comfier product can be returned to receive a full refund for any reason within 30days.
Please contact our customers service (, our staff will contact you within 24 hours.
90 days refund/replace
Comfier product can be returned / replaced within 90 days if the product break down in the period of proper use.
12 months Warranty
If the product break down within 12 months in the period of proper use, customers can enjoy the relevant warranty to get them replaced.
No warranty will be given to any force majeure and man-made causes to a defective product, such as improper care, personal tear down and willful damage,etc.

Extend Warranty for Free

  1. Enter the following URL or scan the QR code below to find COMFIER facebook page and like it, enter“Warranty” to messenger to extend your warranty from 1 year to 3 years.COMFIER CF 4803B Hand Massager with Heat - qr
  2. Send message“Warranty” and email us to extend your warranty from 1 year to 3 years.

Have question ?
Tel: (248) 819-2623
Monday-Friday 9:00AM-4:30PM
Email: supportus@comfier.comCOMFIER logoCOMFIER TECHNOLOGY CO.,LTD.
Address:573 BELLEVUE RD

Documents / Resources

COMFIER CF-4803B Hand Massager with Heat [pdf] User Manual
CF-4803B Hand Massager with Heat, CF-4803B, Hand Massager with Heat, Massager with Heat


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