Mio Alpha 2 Heart Rate Sport Watch
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The Award Winning Alpha is Even Better
As with the original ALPHA sport watch, Mio ALPHA 2 transmits EKG-accurate heart rate data from your wrist without a chest strap and sends it to popular fitness apps, such as Endomondo, Strava, MapMyRun and more.
Here are some cool new features we’ve added to Mio ALPHA 2.
Built-in accelerometer tracks distance, pace, speed, and calories.
Large memory holds 25 hours of workout data that can be synced later
Countdown, count-up, and repeat timers
Customizable display with bright backlight
Long battery life: 20-24 hours with heart rate monitoring turned on
Make every workout count. Train with Heart.
Heart rate training is proven to help you train more efficiently and effectively, so you can get the most out of your workout in the least amount of time. Mio ALPHA 2 gives you real-time, continuous feedback on how your body is responding to exercise by displaying your heart rate directly on the LCD screen. Configure your heart rate zones and receive audible and LED color alerts to keep you in your target zone.
Works With Your Favorite Apps
Mio ALPHA 2 transmits your heart rate data via Bluetooth (4.0) to Mio GO and hundreds of other compatible iPhone and Android apps, so you can track your workout your way. The Mio GO app can be used to customize heart rate zones, and select display screens.
Mio Optical Heart Rate Technology Keeps the Beat
The electro-optical cell in our heart rate sensor "senses" the volume of blood under your skin. From there, sophisticated algorithms are applied so that your heart’s true rhythm can be detected.
Just as Accurate as a Heart Rate Chest Strap
With a 0.99 correlation to EKG in laboratory testing, Mio optical heart rate technology matches or outperforms the top heart rate monitor chest straps — even while running and cycling at high performance speeds.
Comfort. Form. Function
Mio ALPHA 2 delivers maximum performance in ultimate comfort. Its soft, durable silicone strap ensures a snug and comfortable fit – and with no need for a chest strap, you’ll be more comfortable than ever.
- Black and Yellow models fit 5.3 inches to 7.5 inches
- Pink model fits 5.2 inches to 6.5 inches
Material : Soft silicone
Display : LED
Battery : Rechargeable li-poly battery with USB charger
Battery Life : Approximately 20-24 hours in workout mode / Up to 3 months without continuous heart rate monitoring on
Memory : Up to 25 hours of workout data that can be synced later
Water Resistant : 30m (3 ATM)
Dimensions : 252 x 43 x 18 mm
Weight : 53 g
Sensors : Optical heart rate / 3-axis accelerometer
Sync method : Bluetooth Smart (4.0)
Measures : EKG-accurate heart rate, Calories, distance, and pace while in workout mode
Timers : Countdown, chronograph, and repeat intervals -- configurable within the Mio GO app
iPhone 4s/5/5c/5s/6/6 plus or greater
iPod touch 5 or greater
iPad 3/4/air/mini or greater
Samsung Galaxy s 4/5
Samsung Note 3
Google Nexus 4/5
Android 4.3 (Jelly Bean) and higher with Bluetooth Smart (4.0)
If, for whatever reason, you are not satisfied with your purchase, you can return it to HRM USA within Claims for items damaged in transit must be received Items deemed defective by manufacturer standards
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. If payment was made by check, the refund check will not be issued
Easy Return Process
Please be sure to place a note in the package with this information:
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:
HRM USA INC
Attn: Return Dept
1044 Pulinski Rd.
Warminster, Pa 18974
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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.
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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 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.