1 / 7Jxrev I66 Wireless Earbuds, Bluetooth 5.4
Wireless: Jxrev I66 earbuds are in-ear Bluetooth headphones with touch controls, a charging case and a digital battery display. The listing advertises up to 56 hours of total playback, but its details also state 40 hours, so treat the longer figure as a claim to verify before buying.
At a glance
- Bluetooth 5.4, touch operation and a stated 15-metre range.
- The listing describes four ENC microphones and active noise cancellation, though it does not establish that these are the same function.
- A digital case display is described as showing remaining charge, with earbud status lights.
- The listing claims up to eight hours from the earbuds and additional case charges, while another detail lists 40 hours total.
Reference price: $79.99
Price checked: Nov 13, 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- In-ear Bluetooth design with touch controls and individual-earbud use described in the listing.
- Case battery display can make remaining charge easier to check.
- USB-C charging and claimed quick charging are convenient for topping up between uses.
- Three sizes of silicone cushions are claimed, offering options for fit.
Technical specifications
27 specifications| Brand | Jxrev |
|---|---|
| Model | I66 |
| Bluetooth version | 5.4 |
|---|---|
| Wireless connection listed | Bluetooth |
| Listed range | 15 meters |
| Control method | Touch |
| Latency claim | 55ms |
| Driver type | Dynamic Driver |
|---|---|
| Driver size | 13 millimeters |
| Noise control | Active Noise Cancellation |
| Microphones claimed | 4 ENC Mics |
| Battery life listed | 40 hours |
|---|---|
| Playback claim with charging case | 56 hours |
| Earbud playback claim | up to 8 hours |
| Charge time listed | 1 hours |
| Charging connector | USB-C |
| Form factor | In Ear |
|---|---|
| Dimensions listed | 1 x 1 x 1 cm; 1 g |
| Weight listed | 1 g |
| Earbud weight claim | 3 grams |
| Earpiece shape | Bud |
| Water resistance listed | Waterproof |
|---|---|
| Protection claim | IP7 nano-coating |
| Colour | Midnight Black |
|---|---|
| Case colour | Pink gold |
| Compatible devices listed | Cellphones |
| Battery specification | 1 Nonstandard Battery batteries required. (included) |
What to know before buying
- The IP7 water-protection wording is a listing claim. Do not assume suitability for swimming or submersion from the supplied information.
Listing details to confirm
Battery figures conflict: the title claims 56 hours, the details list 40 hours, and the feature text describes eight hours per charge plus five to six case charges. The listing also gives weight as both 1 g and 3 grams, describes case colour as pink gold while the product colour is midnight black, and calls the feature ENC call-noise reduction while listing Active Noise Cancellation. Confirm which figures and functions apply to the selected item. The stated dimensions and weight may not describe the earbuds alone. The listing says each earbud can connect to a separate device. It does not establish simultaneous audio from multiple devices.
What’s in the box
Included- USB-C cable
- User manual
- Wireless charging case
- Wireless earbuds
Who is it for?
A good fit for
- People looking for in-ear Bluetooth earbuds with touch controls and a charging case.
- Callers interested in the listing's four-microphone ENC claim, while recognizing it is not proof of call quality.
- Buyers who want a visible case-charge indicator and USB-C charging.
Less suited to
- Buyers who need a verified battery runtime, since listed total-playtime figures differ.
- Anyone requiring confirmed active noise cancellation performance or a specified water-use rating.

Customer reviews on Amazon
- 5 stars
92% 92% - 4 stars
6% 6% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
2% 2%
Aggregate ratings are strongly positive overall, with most ratings in the five-star category, but a small one-star share remains. Ratings alone do not explain users' experiences or confirm runtime, call quality or noise control, so consider the battery and noise-feature discrepancies when weighing them.
Frequently asked questions
How long does the Jxrev I66 battery last?
The listing gives conflicting figures: 40 hours in the details and 56 hours in the title and feature text. It separately claims up to eight hours per earbud charge and five to six additional case charges. Confirm the applicable runtime before purchase.
Does the I66 have active noise cancellation?
The details list Active Noise Cancellation, while the feature text describes four ENC microphones for reducing background noise on calls. The listing does not clarify whether playback noise cancellation is present or how effective either function is.
Can the earbuds be used for sport?
The listing describes them as sport earbuds and claims IP7 protection against splashes, sweat and rain. It does not establish suitability for swimming or other water exposure.
What is included?
The listed contents are wireless earbuds, a wireless charging case, a USB-C cable and a user manual.

Alternative options

Wireless Earbuds, Bluetooth 5.4 Headphones in Ear with 4 ENC Microphones,Noise Cancelling,Deep Bass Hi-Fi Sound,40 Hours Playtime,IP7 Waterproof,Dual LED Display for Android iOS
$19.99

Wireless Earbuds, Bluetooth Headphones 5.4 HiFi Stereo Wireless Earphones | ENC Noise Cancelling Mic, IP7 Waterproof in Ear Headphones, LED Digital Display Ear Buds for Work/Sport, Touch Control, Black
$29.99

Real-Time AI Translation Earbuds - 198 Languages 3-in-1 Translating Device | 80Hrs Playtime with LED Power Display, Noise Canceling Headset, IP55 Waterproof Earphones for Workout/Running
$51.98

Wireless Earbuds, Ear Buds Bluetooth 5.4 Headphones with 4 ENC Noise Cancelling, Bluetooth Earphones 60H Playtime Wireless Earphones HiFi Stereo, in Ear Headphones USB-C Fast Charge/IPX7 Waterproof
$23.99

Open Ear Wireless Earbuds, Sports Bluetooth Headphones with Translation | 80Hrs Playtime with LED Power Display, Noise Canceling Headset, IP55 Waterproof Earphones for Workout/Running
$39.99

Wireless Headphone, Open Ear Bluetooth V6.1 Earbuds with Earhooks, 80H | HiFi Stereo ENC Noise Canceling Ear buds, Wireless Earphones with IP7 Waterproof Ear Buds for Sports/Running/Workout/Travel
$37.99

Monster N-Lite 216 Wireless Earbuds, Sports Ear Buds with Earhooks, ENC Noise Cancelling Mic,IPX6 Waterproof. Bluetooth 6.0 Headphones Stereo Bass Ear Buds 48H Playtime with LED Display White
$39.99

Monster Open AC311 Wireless Ear Earbuds, Bluetooth 5.4 Open-Ear Headphones, Up to 30 Hours Playtime Bluetooth Ear Earbuds with Stereo Sound, Touch Control and IPX5 Waterproof Bluetooth Earbuds Black
$29.99

Wireless Earbuds, Bluetooth Headphones 5.3, Semi-in-Ear Design | ENC Noise Cancelling Mic, LED Display Earbuds, In Ear Headphones with 40H Playtime,for Sport/Work, Black
$11.99

Wireless Earbuds, Bluetooth Headphones 5.4 HiFi Stereo Wireless Earphones | ENC Noise Cancelling Mics, In Ear Bluetooth Ear buds, 40H, IP7 Waterproof, USB C, LED Display Earbuds for Sports/Work, Black
$29.99

Earbuds Wireless Bluetooth 200hrs Battery, IPX7 Waterproof, Noise Canceling LED Power Display Earphones with Charging Case, in-Ear, Headphones with Mic for Phone Smart TV Laptop Computer Android iOS
$31.99

Earbuds Wireless Bluetooth 200hrs Battery, IPX7 Waterproof, Noise Canceling LED Power Display Earphones with Charging Case, in-Ear, Headphones with Mic for Phone Smart TV Laptop Computer Android iOS
$32.99























