Regular earbuds have a habit of working loose at the exact moment you need them most—mid-run, mid-set, or halfway through a cycle. The Belkin SoundForm ActiveFit was built specifically to solve that problem. Soft silicone ear hooks wrap securely around your ear, keeping them firmly in place through running, cycling, gym sessions, and everyday movement, without digging in or feeling uncomfortable hours in.
Sound-wise, they're built to keep up with the activity, not just survive it. 6mm dynamic drivers deliver balanced audio with proper bass depth and clear vocals, while Bluetooth 5.4 keeps the connection stable whether you're weaving through traffic on a bike or moving around a busy gym floor. When a call comes in mid-workout, Environmental Noise Cancellation works to filter out background noise so your voice stays clear on the other end, even with wind, traffic, or gym noise around you.
An IP54 rating means sweat, rain, and the general grime of an outdoor workout aren't something to think twice about. And if situational awareness matters to you—running near traffic, or just wanting to hear someone talking to you mid-session—Hear-Through mode lets ambient sound in without taking the earbuds out.
Battery life is where the ActiveFit really shows its sports credentials: up to 9 hours of playback per charge and up to 36 hours total once you factor in the USB-C charging case. Caught short before a session? Just 10 minutes of charging gets you up to 90 minutes of playback, so a low battery rarely means skipping your music altogether.
For anyone who's given up on regular earbuds falling out mid-workout, the SoundForm ActiveFit are built specifically to stay put, sound good, and keep going as long as you do.
Key Features
Secure silicone ear hooks — stay firmly in place through running, cycling, and workouts
Bluetooth 5.4 connectivity — stable connection, even on the move
6 mm dynamic audio drivers — balanced sound with deep bass and clear vocals
Environmental Noise Cancellation (ENC) for calls — filters background noise so your voice stays clear
Up to 36 hours total battery life — combined earbud and charging case battery
Up to 9 hours playback per charge — covers long runs, rides, and workouts without a mid-session recharge
USB-C fast charging — 10 minutes of charging gives up to 90 minutes of playback
IP54 sweat & water resistance — built to handle sweat, rain, and outdoor conditions
Touch controls — manage playback and calls without breaking stride
Hear-Thru mode for ambient awareness — stay aware of your surroundings without removing the earbuds
Compatible with Android & iPhone devices — works with whichever phone you use
Specifications
| Spec |
Detail |
| Brand |
Belkin |
| Model |
SoundForm ActiveFit |
| Type |
True wireless sports earbuds |
| Bluetooth Version |
5.4 |
| Driver Size |
6mm dynamic drivers |
| Microphones |
2 per earbud, with ENC |
| Battery Life (Earbuds) |
Up to 9 hours |
| Battery Life (with Case) |
Up to 36 hours total |
| Fast Charging |
10 minutes = up to 90 minutes of playback |
| Charging Port |
USB-C |
| Water Resistance |
IP54 |
| Frequency Response |
20Hz–20kHz |
| Impedance |
16Ω |
| Wireless Range |
Up to 10m |
| Compatibility |
Android & iOS |
| Color |
Black |
| Condition |
New |
Frequently Asked Questions
Yes, they feature soft silicone ear hooks, which are specifically designed to ensure that the earbuds will be firmly held while running, riding, working out in the gym, etc. In contrast to the regular in-ear earbuds that can simply drop out, these are supposed to remain firm despite any activity.
The Belkin SoundForm ActiveFit earbuds have 9 hours of listening time after one charging session, but using them together with the charging case makes the total battery life equal to 36 hours.
Yes, they offer the IP54 protection from water and dust, making them resistant to sweat, water splashes, and dust. They are perfect for use in the gym, during jogging, and other outdoor activities. The IP54 protection does not offer waterproofing, and thus you cannot swim with these earbuds or wash them with running water.
Yes, after charging for 10 minutes, the earbuds can give you 90 minutes of music playback. It can be very useful for you when you are going out somewhere and need a quick charge if your case is running low on battery.
Yes, since both earbuds have 2 microphones with Environmental Noise Cancellation that help to block any background noise such as the noise from the wind, street or the gym. As a result, the user's voice will not be distorted. This earphone is a great choice for outdoor calls.
This feature allows users to hear any sound from their surroundings even when earbuds are still on. It is especially useful for those people who are jogging or riding a bicycle.
Yes, the SoundForm ActiveFit earbuds can be paired with an Android or an iPhone and connected via a regular Bluetooth connection. All basic functions, including playing songs and making phone calls, as well as touch controls, work the same way irrespective of the device used.
The earbuds utilize Bluetooth 5.4, which is the newest version available on the market. This particular version of Bluetooth connection allows maintaining the stability of the connection as well as reducing the latency, which can be important when exercising, as dropouts occur frequently.
With these headphones, touch control on each earbud is provided that helps you play and pause music, skip songs, and make or answer calls without picking up the phone. It is helpful while working out because you may not have access to the phone then.
The SoundForm ActiveFit headphones come with the two earbuds and a USB-C charging case, which can also be used for charging via a USB-C cable. Check whether there are any other accessories in the package.
With 6mm dynamic drivers tuned to give balanced sound with deep bass and vocal clarity, it can compete with the sound quality of other properly specified true wireless earbuds within this class of earbuds, with the added benefit of being able to maintain that sound quality despite movements because of the secure ear-hook fit.
With a USB-C port for the charging case, any regular USB-C cable will be able to charge the earbuds, while putting them back into the case will start the charging process immediately. It will only take 10 minutes of quick charging to get 90 minutes of battery life.
