Skip to main contentSkip to footer

Explore more like this

Slide 1 of 5

Overview

The M300 wireless headphones offer exceptional comfort with ultra soft cushioned earpads and an ergonomic headband for long listening sessions. Enjoy up to 50 hours of wireless playback, plus fast charging that delivers 3 hours of use from a 15 minute charge, with USB C charging included.

Panasonic RB-M300B Wireless Over Ear Headphones with Comfortable Earpads, Black

Model: RB-M300B
Web Code: 15859816
Sold and shipped by

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.

• Enjoy extra wearing comfort with ultra-soft cushioned earpads and headband.

• M Series headphones are designed for comfortable, long-term wear, enabled by Side Pressure Dispersion Technology, which ergonomically adjusts the lateral pressure balance between the headband and ear pads.

• The M300 gives you up to 50 hours of continuous wireless playback, so you can enjoy your music for longer without interruptions.

• M Series wireless headphones have great battery life, but if ever run low a quick charge will get them back in action. Just plug in the USB lead for 15 minutes for another 3 hours playback with M300B.

• Product supplied with 0.5 m USB charging cord (Input Plug: USB A Shape, Output Plug: USB Type-C Shape), Detachable cord: Approx. 1.2 m (3.9 ft.)

Product Condition
Brand New
Frequency Response
20 Hz – 20000 Hz
Driver Unit Size
40 mm
Impedance
34 Ohm
Sensitivity
100 dB
Wireless
Yes
Bluetooth
Yes
Effective Wireless Range
10 m
Headphone Style
Over-Ear
Band Style
Over-the-Head
Weight
296 g
Colour
Black
Wireless Talk Time
50 Hours
Charge Time
4 hours
Cord Length
1.2 m

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*:
  • Quebec
*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.
See our return policy to find specific return information for this product and steps on how to return by mail.