TECH / Hardware 2 min read

Smart Bluetooth Fishing Float: How It Works, the SmartFloat App and Price

Antonio NEMCD Author
Published Mar 5, 2017 · Updated Nov 14, 2026 · 2 min

Advanced anglers with lots of rods and tackle used to take bells fishing. The bell was clipped onto the line, and when a fish took the hook, it started ringing – and the angler rushed headlong to land the catch.

Smart Bluetooth fishing float with a lightSmart Bluetooth fishing float with a built-in bite sensor and light

Now, in the 21st century, bells are out of fashion – there is the smart Bluetooth fishing float.

In short: inside the float are a bite sensor, a battery and Bluetooth. When a fish bites, the float signals your phone running the SmartFloat app with sound, vibration and a light. The range is about 15 m, so it is more a fun gadget than serious tackle.

How the smart float works

The float attaches to the line like a regular one – not far from the hook, and you use it to set the hook depth. After you insert the battery, you connect to it from your phone with the SmartFloat app.

App for the smart floatConnecting the smart float to a smartphone over Bluetooth

SmartFloat app on a phoneThe SmartFloat app interface on a phone screen

Inside the smart floatInside look at the float and its electronics

What the SmartFloat app shows

  1. The float’s sensitivity setting.
  2. The live bite alert.
  3. Switches for the float light, sound alert and phone vibration.

SmartFloat app indicatorsMain indicator controls in the SmartFloat app

Fishing with a smart floatFamily fishing gets a lot more entertaining with a smart float

Gold-colored smart floatsStylish gold-colored floats

Floats and the tube caseThe floats along with their protective tube case

Smart floats lit up at nightNight lighting mode on the smart floats

Bluetooth fishing float specificationsBluetooth fishing float specifications

Video: the smart float in action

Price and downsides

A smart float costs roughly $23–43, depending on your luck: AliExpress often has seasonal discounts and sales.

  • Short Bluetooth range: about 15 m, and as the battery runs down, the range shrinks and the connection gets unstable.
  • Not for long casts: the float has to stay within reliable signal range of the phone.

I think it is best seen as a toy for fun fishing trips with friends and family :-)

P.S. You can also buy floats with an underwater camera – now that is wild :-)

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