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Kensington Expert Wireless Trackball Mouse (K72359WW) Black, 3.5" x 6.1" x 8"

Rated4.2(5,433 ratings)In stock

Normal price

$90.35 is within 5% of the $87.85 it normally sells for.

Now
$90.35
Normally
$87.85
Lowest in 139 days
$85.00(Oct 19)
Highest
$90.35
Evidence: Strong139 days tracked169 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

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Good: 5%+ below normal. Great: 20%+ below. One email when it happens. No account, no newsletter.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

Price history

Tracked since Jun 25 · 139 days · 169 price changes

Ahead of Black Friday 2026 (Nov 27), it is at its normal price of $87.85. A price below $87.85 would be a real deal. Kensington Expert Wireless Trackball Mouse (K72359WW) Black, 3.5" x… price history, checked Nov 12, 2026: current price $90.35, normal (typical) price $87.85, average $89.84 over 139 days, lowest $85.00 (Oct 19, 2026), highest $90.35 (Oct 21, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $87.85
  • 5% or more below normal

Other ways to buy

  • New from

    $90.00

    Linlife health homeFulfilled by Amazon · Seller rating 95% of 97

  • Used from

    $56.00

    Amazon ResaleFulfilled by Amazon

11 of 37 offers
The 10 lowest of 11 offers, by price
SellerConditionPriceFBASeller rating
Amazon ResaleUsed - Acceptable$56.00Yes—
Linlife health homeNew$90.00Yes95% of 97
Amazon.comNew$90.33Yes100%
OneDealOutlet OnlineUsed - Like New$103.25No58% of 9,442
Triplenet Pricing INCNew$105.12No62% of 90,702
Newegg BusinessNew$105.99No80% of 574
PORTABLE GUYNew$109.99No63% of 113,709
Provantage LLCNew$113.26No62% of 2,689
Gear(4)LessNew$113.32No67% of 63
CorebuyNew$121.68No57% of 3,313

Showing the 10 lowest of 11 offers.

Amazon lists 37 offers. These are from the first page of its offer list, sorted by price plus delivery, so a lower price may be further down.

More real deals in Electronics

See all
Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B01936N73I
Request
curl https://trackpin.co/api/v1/product/B01936N73I \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 01:46 UTC
{
  "asin": "B01936N73I",
  "title": "Kensington Expert Wireless Trackball Mouse (K72359WW) Black, 3.5\" x 6.1\" x 8\"",
  "image": "https://m.media-amazon.com/images/I/81GsK-CUT1L._AC_SL500_.jpg",
  "currency": "USD",
  "category": "CE",
  "category_label": "Electronics",
  "in_stock": true,
  "price": {
    "current_cents": 9035,
    "reference_cents": 8785,
    "discount_pct": -2.85,
    "is_deal": false,
    "observed_at": 1794446757462,
    "changed_at": 1792609982188,
    "checked_at": 1794446757462,
    "source": "stored"
  },
  "verdict": {
    "label": "normal",
    "text": "Normal price",
    "pct_vs_normal": -2.85,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Normal price. $90.35 is within 5% of the $87.85 it normally sells for."
  },
  "listing_claim": null,
  "stats": {
    "min_cents": 8500,
    "max_cents": 9035,
    "avg_cents": 8984,
    "history_days": 139,
    "price_levels": 345,
    "price_changes": 169,
    "distinct_prices": 6,
    "lowest_at": 1792428784892
  },
  "history": [
    {
      "price_cents": 9035,
      "from": 1792601767421,
      "to": 1792601767421
    },
    {
      "price_cents": 8866,
      "from": 1792601921640,
      "to": 1792604899166
    },
    {
      "price_cents": 8967,
      "from": 1792605461425,
      "to": 1792608850561
    },
    {
      "price_cents": 8872,
      "from": 1792609421588,
      "to": 1792609421588
    },
    {
      "price_cents": 9035,
      "from": 1792609982188,
      "to": 1794446757462
    }
  ],
  "last_seen": 1794446758165
}
// … 340 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.