# HILDCROA BX31 Wireless Sport Earbuds, 75-Hour Playtime, LED Display, IPX7

Stay ready for workouts with HILDCROA BX31 earbuds, featuring an LED battery display and 75 hours of total playback with the case.

- [Original product page](https://www.ofertitastop.com/us/product/hildcroa-bx31-wireless-sport-earbuds-75)
- [View offer](https://www.ofertitastop.com/us/visit/hildcroa-bx31-wireless-sport-earbuds-75)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-31T00:00:23.197Z
- Brand: HILDCROA
- Model: BX31
- SKU: ofertitastop-us-154512
- Category: Electronics > Audio > Audio Components > Headphones & Headsets > Headphones
- Source store: amazon US
- Active deal: Yes
- Price: 19.93 USD
- Previous price: 20.98 USD
- Discount: 5%
- Rating: 4.4 / 5
- Reviews: 174

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

The HILDCROA BX31 are in-ear wireless earbuds with an ergonomic sports design, TPE ear hooks, and three tip sizes to help create a secure fit for workouts and runs. Their IPX7 waterproof protection is designed for exercise when you may sweat or get wet, while the LED display makes it easy to check the earbuds’ and charging case’s battery status.

Bluetooth 5.3 connectivity pairs the earbuds with compatible devices, and touch controls put common listening and call commands within reach.

## Everyday use
Use the BX31 for music during a gym session, a run, or travel, then tap the controls to pause playback, change tracks, adjust volume, or manage a call. The built-in microphone uses ENC noise reduction to help separate your voice from surrounding sound during calls. That makes these earbuds a practical choice when you want one Bluetooth set for both listening and everyday communication, rather than switching between separate audio devices.

The ear hooks and included tip sizes support a more secure, personalized fit for movement. IPX7 protection adds confidence for workouts where sweat or wet conditions are part of the routine. For listening at home or on the go, Bluetooth offers a stated range of up to 10 meters, and compatibility includes cell phones, tablets, laptops, desktops, smart speakers, and televisions with Bluetooth.

## Key specifications
- Model: BX31
- Fit: In-ear earbuds with ergonomic TPE ear hooks
- Ear tips: Three sizes
- Bluetooth: Version 5.3, range up to 10 meters
- Drivers: 13 mm
- Playback: Over 8 hours per charge, 75 hours total with the charging case
- Charging: Type-C, earbuds fully charge in 1.5 hours
- Display: LED digital battery display
- Water protection: IPX7
- Color: Rose gold
- Controls: Touch controls for playback, calls, volume, track selection, and voice assistant activation

## What you’ll notice day to day
The battery display gives you a quick way to check remaining power before heading out, while the charging case extends total playback to 75 hours. More than 8 hours of playtime from a charge supports longer listening stretches, and the Type-C charging interface provides a straightforward way to recharge the earbuds. The case also keeps them together between uses.

Touch controls cover the actions people commonly need while listening, including play and pause, track changes, volume, and call management. The 13 mm drivers deliver bass, midrange, and treble, while ENC on the microphone is intended to help keep your voice clear during calls. Together, these features suit a mix of workout playlists, travel listening, and hands-free conversations.

## Is it worth it?
The BX31 brings workout-focused details together with useful everyday features: ear hooks and multiple tip sizes for a sport-oriented fit, IPX7 protection for wet exercise conditions, and a battery display paired with extended total playback. It’s a strong fit for shoppers who want wireless earbuds for gym sessions or running and also value touch-controlled calls and broad Bluetooth device compatibility. The combination makes them useful beyond the workout, from listening on a commute to taking calls around the house.

## Images

![HILDCROA BX31 Wireless Sport Earbuds, 75-Hour Playtime, LED Display, IPX7 — 1](https://www.ofertitastop.com/i/65AlF5epC3uOk_IwGPxGRM3Oqtf-3E9Zs_KjiBeI_Lp_q8KSEvXNrrjJ92Lrk6TDvmx-dEy5_u8uHx-Rxsx-SvqdjWUWC3DOLoJ6z6KHtPpuvxAw3zIfqInCGQ.jpg)

![HILDCROA BX31 Wireless Sport Earbuds, 75-Hour Playtime, LED Display, IPX7 — 2](https://www.ofertitastop.com/i/o4DgcgYyEC73SNHu8EWOhjYuHiY04o5WTIp5BC6WpJ3jIEDSC1B4pyHNm2F5YaC2l8gjcIAel-eqY2c9rHa6-g3m4olehXcQI0l1-751_oDrEAcume4a2HyR9g.jpg)

![HILDCROA BX31 Wireless Sport Earbuds, 75-Hour Playtime, LED Display, IPX7 — 3](https://www.ofertitastop.com/i/n5OH__n4TG5elvo4Dybpipc_4z7s9S8FFmRDfilisiRoiMPKz3WR0LimLnqxDPfoJ9fMS-wAie8sndcec-VbdSd_bOXs0TzREVKrw_KfOEKpE4fnuCWn6mDWbQ.jpg)

![HILDCROA BX31 Wireless Sport Earbuds, 75-Hour Playtime, LED Display, IPX7 — 4](https://www.ofertitastop.com/i/rdbhK411EuUaCpSLF4IyNRa4T8e-OIz7NegzRXI4URwq-RbWrmo9i57EcTJ3IuM9LDY9vqRvnZE6gGeaDS2uCQSRM5t_8h9Xd3M7IYukSUe4EN1Vv0BImpIPeA.jpg)

![HILDCROA BX31 Wireless Sport Earbuds, 75-Hour Playtime, LED Display, IPX7 — 5](https://www.ofertitastop.com/i/naO5w4KtyrZFyuCZafdV8RDdLWjsKlglXXoZgUcfK-XWgUH-HqYF_Z1zhTmfn2MhjAA_RgzIDiL5pc74wjvjsrALV1HyVtv-oUwN9ZLjpQS_KNhXXjdsOMRcZQ.jpg)