Skip to main contentSkip to footer

Explore more like this

Slide 1 of 8

Overview

The 2025 Bluetooth 5.4 wireless earbuds let you experience immersive stereo sound and clear calls with 4 ENC noise-cancelling mics. Ergonomically designed for comfort, they offer up to 40 hours of playtime and are IP7 waterproof to keep up with sports and outdoor activities.
  • In-ear earbuds with secure, lightweight fit for sports and daily wear
  • Up to 40 hours of playtime with LED charging display
This description was generated by AI and reviewed for accuracy.

2025 New Bluetooth 5.4 Wireless Earbuds – Mini HiFi Stereo with 4 ENC Noise Cancelling Mics, 40H Battery, USB-C, IP7 Waterproof – Ideal for Sports & Workouts

Model: UltrendE9
Web Code: 16490423
Sold and shipped by | 3.9 seller rating (40 reviews)

Sale ends: *

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Read return policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • ‎User Manual 1x USB-C Cable 2x Wireless Earbud 1x lightweight Charging Case 3x Eartips (S/M/L)
What you need to know
  • In-ear true wireless earbuds built for sports, workouts, and everyday commuting
  • 13mm driver delivers powerful bass and wide sound with 4 ENC mics for clear voice calls
  • Ultra-lightweight and slip-resistant design ensures all-day wearing comfort
  • IP7 waterproofing protects against sweat, rain, and splashes
Audio Performance & Sound Quality
  • 13mm vibrating diaphragm driver produces strong bass with balanced mids and highs
  • AAC/SBC audio coding supports high-quality wireless audio streaming
Noise Control
  • 4 ENC noise-cancelling microphones capture clear voice even in noisy environments
Fit, Comfort & Design
  • Ergonomic contour fits securely in the ear for stability during movement
  • Each earbud weighs just 3.5 grams for comfortable extended wear
Battery Life & Charging
  • Up to 8 hours of listening per charge, total 40 hours with case
  • LED digital display shows charging status of both earbuds and case
  • Automatic charging when earbuds are placed in the case (Fully charge before first use)
Connectivity & Smart Features
  • Bluetooth 5.4 wireless delivers a stable, efficient connection and extended range
  • Built-in hall switch enables one-step pairing by opening the charging case
  • Smart touch controls let you play, pause, adjust volume, switch tracks, and activate voice assistant
Durability & Water Resistance
  • IP7 nano-coating lets earbuds resist sweat, rain, and splashes for active lifestyles
This description was generated by AI and reviewed for accuracy.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Headphones, earphones, and ear buds (of any kind including AirPods)
Return/Exchange Period
30 days
Condition
Unopened, No signs of use

Due to hygiene concerns, this product cannot be returned if opened

Learn more about returning a Marketplace product