OYIB S75-Black Wireless Earbuds, Bluetooth 5.4 with Earhooks

OYIB S75-Black wireless earbuds are sport-style Bluetooth earbuds with earhooks, touch controls and a case-based battery claim of up to 50 hours total. The listing also describes water resistance and call-noise reduction, but its stated 50-hour figure combines earbud and case playback rather than a single charge.

At a glance

Earhooks are intended to help keep the earbuds in place during running and workouts.
The listing claims 8-10 hours per charge plus 40 additional hours from the case, for a stated 50 hours total.
Touch controls are described for playback, volume, track changes and calls. The listing also claims Siri and Google Assistant activation.
An LED case display is described as showing case and individual-earbud battery levels.

Price

$25.99Save 76%

Reference price: ~~$109.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Earhooks and three listed ear-tip sizes offer options for a more secure, adjustable fit.
The stated battery total separates earbud playback from the additional case charge rather than attributing all 50 hours to one charge.
Touch controls cover common playback and call functions without requiring access to the phone.

Cons

The claimed 8-10 hours per earbud charge is materially less than the advertised 50-hour total, which includes the case.

Technical specifications

19 specifications

Identity
Brand	OYIB
Model	S75-Black
Color	Black

Connectivity and controls
Wireless connection listed	Bluetooth
Bluetooth version	5.4
Bluetooth range	15 meters
Control methods listed	Touch
Device compatibility	Compatible with iOS, Android, and all devices that support Bluetooth connection to Bluetooth earbuds.
Charging interface	USB Type C
Headphone jack	No Jack

Design and audio
Ear placement	In Ear
Form factor	Over Ear
Driver type	Dynamic Driver
Driver size	14.2 millimeters
Noise control listed	Environmental Noise Cancellation, Sound Isolation

Battery and protection
Playback time per charge	8-10 hours
Additional case playback time	40 hours
Total playback time claim	50 hour real-time LED power display playback time
Water resistance listed	Waterproof

What to know before buying

Listing details to confirm

Listing details are inconsistent about fit, describing the earbuds as both in-ear and over-ear, and the title says 50-hour playtime while the feature detail specifies 8-10 hours per charge plus 40 hours from the case. The listing calls the product waterproof and separately claims IPX7 in promotional text, but provides no IPX7 value in the structured water-resistance field. Confirm the exact protection rating and fit before buying.

What’s in the box

Included

Charging cable ×1
S75 wireless earbuds ×2 (left and right)
User manual
Wireless charging case

Who is it for?

A good fit for

Runners and gym users looking for an earhook design and touch controls.
Buyers who want wireless earbuds with a case that is claimed to add substantial playback time.
Users seeking Bluetooth earbuds listed as compatible with iOS, Android and other Bluetooth-enabled devices.

Less suited to

Anyone who needs verified waterproofing details or a clearly specified water-resistance rating.
Listeners seeking a clearly documented single-charge runtime of 50 hours.

OYIB S75-Black Wireless Earbuds, Bluetooth 5.4 with Earhooks · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 8,921 ratings

5 stars71%71%
4 stars14%14%
3 stars7%7%
2 stars3%3%
1 star5%5%

Aggregate ratings are generally favorable, with most ratings in the five-star category, but a smaller spread of lower ratings means experiences are not uniformly positive. Ratings alone do not explain what customers liked or disliked. For buyers considering these sport earbuds, the listing’s claimed earhook fit and combined case battery life are relevant features, but customer ratings do not verify those specifications or clarify the disputed water-resistance details.

Frequently asked questions

Does the claimed 50-hour playtime mean 50 hours on one charge?

No. The listing specifies 8-10 hours per charge and says the charging case provides an additional 40 hours, for a claimed 50 hours combined.

Are these earbuds waterproof?

The listing labels them waterproof and promotional text claims IPX7, but the structured water-resistance field only says “Waterproof.” Check the selected listing for the exact rating before exposure to water.

What devices can they connect to?

The listing says they work with iOS, Android and other devices that support Bluetooth earbuds. It also mentions Windows devices in feature text.

What is included?

The listed package contents are a charging cable, two S75 earbuds for left and right, a user manual and a wireless charging case.