Mio Slice Activity Heart Rate Monitor

By Mio

was $129.00
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Featuring the revolutionary PAI algorithm: A personal score for staying healthy

PAI: Personal Activity Intelligence

Learn More about PAI

Simply tracking your number of steps isn't enough to ensure a healthy lifestyle. With this in mind, Mio has developed a whole new way to look at your activity level. Combining your heart rate data along with all of your movements, PAI will give you a personalized PAI score so you can easily recognize how active you have been. This personalized formula takes into account your current fitness level to give you a PAI score that works just for you. Your job is to simply keep your score above 100 to ensure you are always moving in the right direction. Instead of tracking a daily goal, PAI keeps a rolling 7-day goal. This allows you to make up for a less productive day by going harder on another day. Forget tracking steps and steps alone, with PAI you will be tracking everything from yoga to cycling. Now everything counts.

Mio Slice

Mio SLICE is the first wearable that provides all-day heart rate tracking and a PAI score - the most meaningful way to track all your activity, motivating you to stay healthy.

  • PAI, heart rate, resting heart rate, sleep, calories burned, steps, and distance
  • TPU strap, anodized aluminum main body and buckle
  • OLED
Battery Type:
  • Rechargeable li-poly battery with USB charger
Battery Life:
  • Approximately 5 days with 1 hour of high activity time per day
Water Resistant:
  • 30m/100 feet (3 ATM)
Sensors & Components:
  • Optical heart rate tracker
  • 3-axis accelerometer
  • Vibration motor
  • Bluetooth Low Energy 4.0+
  • ANT+
  • Saves 7 days of activity data.
  • Stores heart rate data at 1 second intervals during exercise, every 5 minutes below moderate activity, and every 15 minutes during sleep.

Devices Supported:

  • Compatible with iOS 9.0 and above (iPhone 7, 7 Plus, 6S, 6S Plus, 6, 6 Plus, SE and 5S) as well as Android 5.0 and above (Google Nexus 5, 5x, 6, 6p; Samsung Galaxy S5, S6, S7, Note 5)

Extended Holiday Returns

Orders placed on or after November 1st 2017 can be returned up until January 31 2018

If, for whatever reason, you are not satisfied with your purchase, you can return it to HRM USA within 45 days of purchase date subject to conditions below. Claims for items damaged in transit must be received within (3) business days of receipt of merchandise. Items deemed defective by manufacturer standards must be reported within 7 days of receipt.

Refunds & Credits Refunds on returned items will be issued to the same payment as tendered at the time of purchase. Once we receive and inspect the product you will be issued a credit back to your account. Please allow 5-7 Business days for a credit to appear on your account. If payment was made by check, the refund check will not be issued within 7- 10 business days after receipt of return.

Easy Return Process

Please be sure to place a note in the package with this information:
1) Order number
2) Reason for return
3) State that you would like a refund, or an exchange and what you would like to exchange for.

Our return address is:
Attn: Return Dept
1044 Pulinski Rd.
Warminster, Pa 18974

Or log in to your account by clicking here, and process your return online.

No Return/Exchange on the following:

– Hydration Packs, Water Bottles once any of the packaging has been opened or safety seals have have been broken.

– Computers and Computer Software, once any of the manufacturer's packaging has been opened.

– Heating Pads, once safety seal has been broken

– Electronic Software is not returnable or refundable once opened.

– All consumable items or hygienic items (e.g., Gels, Energy Chomps, Elixirs, etc.) once unwrapped or seal broken.

– Special Order merchandise, Clearance, or any itemindicated on the website as non-returnable.

– Imprinted products.

– HRM USA Stores Gift Cards are redeemable for merchandise only and may not be redeemed for cash.


If the item is returned to us for exchange, please allow 2-5 business days for the replacement to be processed and shipped. All returns are shipped with our Economy shipping method and arrive within 2-10 Days.


Please read all conditions below. If conditions are not met, HRM USA reserves the right to refuse the return or to charge a restocking fee not less than 10% or a $2.95 minimum restocking fee charge.

If using a shipping label generated by HRMUSA Inc, the cost of this label will be deducted from refund amount (unless product is defective).

All returned items must be in new condition, in their original unaltered box (including the UPC code being intact) and must include all packing material, blank warranty cards, manuals,and accessories. Defective items may be exchanged for the same model or manufacturer's equivalent model. Please call us at 800-403-8285 for assistance. Please allow time to discuss any issues you may be experiencing as we may recommend tech support to resolve any issues prior to exchange. Any refused package will be assessed shipping charges incurred by the carrier.

Click Here for a list of Manufacturers Tech Support Phone Numbers