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Overview

The S66 true wireless earbuds by Bluetooth deliver powerful bass and clear calls, with up to 50 hours of playtime and seamless connectivity ensured by Bluetooth 5.4 technology. Enjoy water-resistant protection for workouts and a comfortable, compact fit that moves easily from your pocket to your day.
  • True wireless earbuds for music, calls, and everyday use
  • Up to 50 hours total playback with charging case
This description was generated by AI and reviewed for accuracy.

Wireless Earbuds, Bluetooth 5.4 Headphones with 50H Playback, Deep Bass Stereo Ear Buds Clear Calls with LED Power Display, Wireless Headphones with Noise Cancelling Mic for Phone/

Model: GKM4GLCJ
Web Code: 19860791
Sold and shipped by | 2.5 seller rating (6 reviews)

Available for deliveryAvailable online only

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Seller Return Policy

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Warranty

Check with the manufacturer for details.

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

What you need to know
  • True wireless earbuds designed for effortless calls, listening, and on-the-go use
  • Dual hybrid ENC microphones reduce background noise for clearer calls
  • Up to 8 hours per charge, 50 hours total with charging case
  • IP7 rating keeps earbuds protected against sweat, rain, and light splashes
Audio performance & sound quality
  • 13.4mm graphene diaphragm delivers powerful bass, clear mids and bright highs
Noise control
  • Dual hybrid ENC microphones passively eliminate up to 85% of background noise for clear calls
Fit comfort & design
  • Compact and lightweight design with a lanyard for easy carrying
  • Comfortable fit for all-day wear
Battery life & charging
  • LED display on charging case keeps you informed of power levels
  • One-step auto pairing after initial setup for quick connection
Connectivity & smart features
  • Latest Bluetooth 5.4 technology provides stable transmission and longer range
  • Smart touch control for music and calls brings convenience to daily life
  • Seamlessly connects with nearly any Bluetooth audio device
Durability & water resistance
  • IP7 water resistance allows use during exercise, in rain, and light splashes
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 on all orders.

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

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