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Fitbit Sense Advanced GPS Activity Tracker Smart Watch FB512 Black UNIT ONLY!

Renew Tech
(4193)
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US $47.99
ApproximatelyAU $73.58
Condition:
Used
“Item is in used condition. please check photos and description for more info!”
Postage:
Free USPS Ground Advantage®.
Located in: Harrison, Tennessee, United States
Delivery:
Estimated between Thu, 14 Aug and Wed, 20 Aug to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the postage service selected, the seller's postage history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
No returns accepted.
Payments:
     Diners Club

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Seller assumes all responsibility for this listing.
eBay item number:236155245517
Last updated on 25 Jun, 2025 04:13:30 AESTView all revisionsView all revisions

Item specifics

Condition
Used
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab
Seller notes
“Item is in used condition. please check photos and description for more info!”
Power Source
Silicone
Color
Black
Material
Stainless Steel, Steel
MPN
512BKBK
For Operating Systems
iOS, Android
Brand
Fitbit
Department
Unisex Adults
Type
Activity Tracker
Battery Life
Up to 6 Days
Measurement Provided
Heart Rate, Speed, Time, Distance, Calories
Display Size
40 mm
Band Material
Silicone
Model
Fitbit Sense Advanced Health
Body Area
Wrist
Features
Bluetooth, Alarm, GPS, Data Review, Clock, Calorie Monitor, Heart Rate Monitor, Water Resistant, Average Heart Rate
Case Size
40 mm
Sensors
Accelerometer, Ambient Light
Compatible Operating System
Android, iOS - Apple
Sport/Activity
Gym & Training, Yoga, Running & Jogging
UPC
0811138036980

Item description from the seller

About this seller

Renew Tech

99.1% positive Feedback•16K items sold

Joined Dec 2015
Usually responds within 24 hours
Renew Tech is the best place to find great bargains on gently used and unused items! Here you'll find headphones, cameras, tablets, and much more, for much less!
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable postage costs
5.0
Postage speed
5.0
Communication
5.0

Seller feedback (4,195)

All ratings
Positive
Neutral
Negative
  • i***i (33)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Keyboard arrived in New condition as described with all the parts. I am very satisfied. The packing as noted was damaged but did not affect the product. It arrived earlier than expected and is the second one I have purchased from this Reseller. The price is a great value for the RK 100 Keyboard I ordered. Of course I've already replaced the switches and keycaps to meet my needs.
    RK Royal Kludge RK100 Wireless Mechanical Keyboard Red Linear Gray White (#236100173176)
  • 8***r (17)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Seller? Amazing!!!! Quality! As expected, excellent. Condition? Excellent. Value? Totally worth it. Appearance? Packaged well, and the item is of course in good condition!! Shipping? Shipped within minutes of me purchasing this virtual pet!!! I’ve wanted this virtual pet for months and I could not find a good deal until I came across this seller. Thank you, and I will buy from you again someday!! 🥹❤️
    New Skyrocket Pixel Stars Doll Digital Dream House Handheld Electronic Game (#236123824791)
  • n***e (164)- Feedback left by buyer.
    Past year
    Verified purchase
    Item/sling exactly as advertised and brand new. Seller needs to work on getting his products sent out on time vs sitting in an idle status for 15 days vs a deliver date of 23 Dec 24 NOT 2 JAN 25. In addition when contacting seller his response was to blame me for opening a item not received ticket through ebay. Customer service communication is average at best. Pricing of item was good. B- RATING
    Magpul MS1 Multi-Mission Two Point Rifle Sling MAG513 BLACK - NEW (#235796735951)
See all feedback

Product ratings and reviews

Learn more
4.6
261 product ratings
  • 202 users rated this 5 out of 5 stars
  • 35 users rated this 4 out of 5 stars
  • 13 users rated this 3 out of 5 stars
  • 4 users rated this 2 out of 5 stars
  • 7 users rated this 1 out of 5 stars

Easy to use

Lightweight

Accurate

Most relevant reviews

See all 219 reviews
  • by brucatkinso8
    02 Dec, 2020Top favourable review

    The Fitbit Sense is fitting New King of Fitbit, for both men and women.

    I previously had a Fitbit Charge, a Charge 2, and 3 Ionics. I had problems with the Ionics, and Fitbit would replace them. I got the Sense after the 3rd Ionic failed, after 21 months. The Ionic, by comparison was large & gawdy, and heavier than the Sense. Because of my 2+ years with the Ionic, I tend to still look for features in the same places and ways, and the logic of the features in the Sense is much different. I like the new layout, but have not gotten used to it. I'm sure in another month I will have adapted to the Sense, and I already prefer it.

    Verified purchase: YesCondition: NewSold by: nolimitdealshq

  • by bagfield1
    18 Mar, 2021Top critical review

    Fitbit sense ecpensive dissapointment

    I just dont get the fuss over this v expensive almost useless nit of kit. I have purchased a fitbit sense Sleep function does not give daily reading. It says not wearing watch but gives the info 2 or 3 dsys later if it feels like it. Many of the items in the function list simply exit the app when you click on them Steps count is way off. Heart beat monitor wah off which does mean you cannot rely on the ecg, which is why I chose this brand and it does not have blood pressure monitor, which even 50$watches now do.. all in all a triumph of marketing over substance

    Verified purchase: YesCondition: Pre-ownedSold by: alternativecellutions

  • by cheper-6820
    03 Oct, 2022

    Fitbit Sense Pebble purchase

    Like the Sense. Have a Versa currently that is dying therefore upgrading. Sense has more features and I’m looking fwd to learning them, but is also more intensive to learn. A bit less intuitive than Versa. One hiccup I can’t seem to resolve is it displays temps in Celsius instead of Fahrenheit (I live is US). Regardless of having followed the directions multiple times to change its output to F, it continues to display C. My only complaint.

    Verified purchase: YesCondition: NewSold by: abarsh1

  • by 6shooter1
    08 Dec, 2021

    Almost perfect, so far...

    I have owned & used the previous FITBIT top-of-the-line watch (the IONIC model) for about two years and even though I also have an Apple iWatch-4, I found that I actually preferred my IONIC for daily wear. Although the apps were a bit scanty, it had other features that I found much use for (the sleep tracking was particularly useful, as was the nightlight feature, which kept me from stumbling over our Husky in the dead-of-night darkness). However, when the new SENSE model Fitbit came out, I decided to retire my faithful old IONIC and give the new model a try. I've had it for several weeks now and so far it seems to be quite acceptable and very functional. The only minor exception seems to be that the left side actuation button is a bit hard to access. A slightly better (more user ...

    Verified purchase: YesCondition: NewSold by: savawil_85

  • by doctordean62
    15 Apr, 2022

    Best replacement for the recalled Fitbit Ionic

    I got this to replace my Fitbit Ionic which was being recalled. It seems to have all the same features although the shape is pebble like, not the sharp lines of the Ionic. The good thing is it measures floors and has a built in GPS, most of the other Fitbits don't have that combination. I don't find the UI quite as easy to use for what I do as the Ionic, but maybe that just takes some getting use to.

    Verified purchase: YesCondition: NewSold by: hijja-2014

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