Skip to main contentSkip to footer

Explore more like this

Slide 1 of 7

Overview

Enjoy comfortable all-day listening with the Monster AC221 open-ear wireless earbuds. Featuring Bluetooth 6.0 connectivity, up to 30 hours of playback, and an IPX6 water-resistant design, they’re built for music, calls, and active everyday use.

Monster AC221 Open-Ear Wireless Bluetooth Earbuds with 30 Hours Battery Life, Touch Control, IPX6 Water Resistance – White

Model: AC221
Web Code: 19894845
Sold and shipped by | 2.4 seller rating (27 reviews)

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.

The Monster AC221 Open-Ear Wireless Earbuds are designed for listeners who want comfort, awareness, and dependable wireless performance throughout the day. With an open-ear clip-on design, these earbuds provide a secure fit while allowing you to stay more aware of your surroundings—ideal for commuting, workouts, office use, or casual listening.

Powered by Bluetooth 6.0, the AC221 delivers a stable wireless connection with fast pairing and smooth audio streaming across compatible devices. Monster’s signature sound tuning offers clear audio with balanced detail for music, podcasts, and calls.

The lightweight clip-on design helps reduce ear fatigue during longer listening sessions, while touch controls make it easy to manage playback, calls, and other functions without reaching for your device.

With up to 30 hours of total battery life using the charging case, the AC221 is built to keep up with your routine. The IPX6 water-resistant construction helps protect against sweat and splashes, making these earbuds a practical choice for active lifestyles and everyday wear.

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