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If your practice focusing the upper area of sandbag, please place the tracker on the top of sandbag.
If your practice focusing the lower area of sandbag, please place the tracker at the bottom of sandbag.

Free Delivery service in HK when purchase over HKD800 on order

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Please message the shop owner for order details.
  • S.F. Express - EF Locker Pickup (Delivery takes 2-4 days)
  • S.F. Express - Self pick up at S.F.Shop (Freight collect)
  • Self pick up at our shop (We will notice you once the items ready)
  • By Air (Please specify air parcel or EMS express)
  • EMS (Overseas)


Monitor the punching data in Real-time

  • Smart/accurate/small/long life

Track data with an app

  • QueLing smart force tracker is new kind ofdevice. 
  • Easily attach on the sandbag. 
  • Measure every punch and send themto you smart phone.
  • Measure force power and punch speed. 
  • Supportvoice report on punch force.

Three training mode

  • There are force test, reaction test andchallenge mode in the app. 
  • You can train with different mode basing ondifferent purposes.

Power measurement

  • Standard strength measurement mode, real-timemonitoring of boxing speed, strength, etc.

Response measurement

  • Hear the "GO", quick response tohit the sandbag and measure your reflexes.


  • Punch fast to get the highest possiblescore within the time limit.

Voice feedback

  • No need to keep looking on the phone. Justhear the result.

Easy installation

  • You can attach a Velcro with 3M tape on thebottom of the hanging sandbag or the top of a stand sandbag. 
  • Then attach thedevice on the Velcro. 
  • When the device low power, you can easily take it offand charge.

Steps to use

  • 1.Attach the device on the sandbag.
  • 2.Punch the sandbag to wake the device up.
  • 3.Open the app and connect bluetooth.
  • 4.Punch,and you will get the data withvoice feedback.

Customer Reviews

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