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True Wireless Earbuds RZ-B110W

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Water Resistant Wireless Earbuds

Experience wireless freedom and longer battery life with the Panasonic RZ-B110W earbuds. Equipped with XBS technology, these earbuds deliver powerful bass for an enhanced audio experience.
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Ergonomic Fit

Thanks to ‘Ergofit’ with a canal-type structure, the B110W wireless earphones have a comfortable and secure fit to help keep them, and your tunes, where they belong – in your ears.
Ergonomic Fit

Elevate Your Sound

A combination of 10mm dynamic drivers and XBS (eXtra Bass System) tech means these wireless earbuds have plenty of bass to energise your tunes.
Elevate Your Sound

Day-to-Night Power

Featuring 6 hours of earbud battery life and an additional 20 hours in the charging case, these earbuds provide a long-lasting battery solution.
Day-to-Night Power

Built for the Real World

Made to the IPX4 water resistance standard, these wireless earbuds are equally suitable for intense workout sessions at home, in the gym or outside in the rain.
Built for the Real World

Swift and Secure Bluetooth Connection

B110W’s Bluetooth® 5.3 wireless tech allows these earbuds to be more capable of longer and higher quality performance for both music and calls.
Swift and Secure Bluetooth Connection

Easy Touch Control

With touch sensors on both sides of the B110W wireless earbuds, you can quickly switch between music and calls – as well as select the Voice Assistant to skip tracks.
Easy Touch Control

Voice Assist

B110W earbuds are both Google Assistant and Siri compatible with today’s smartphones. A tap on the side of an earphone using ‘wake words’ will bring your digital assistant to life.
Voice Assist

Compact Design

The charging case for these earbuds can provide up to 20 hours of battery life and can be charged with a USB-C cable. Its round shape makes it convenient to carry in your pocket or bag.
Compact Design

1 Charging Case

Up to 20 hours top-up battery life in the carry case with quick USB-C charging. The earbuds are ready to go.
Charging Case

2 Earbuds

Equipped with touch sensors on both earphones, so you can instantly switch between calls and music.

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  • Ergonomic fitErgonomic fit
  • Clear sound with extra deep bassClear sound with extra deep bass
  • Up to 26 hours playtime*<br>*with charging caseUp to 26 hours playtime*
    *with charging case
  • Water resistant IPX4Water resistant IPX4
  • Fast and easy connectionFast and easy connection
  • Touch ControlTouch Control
  • Voice assistVoice assist

Ergonomic fit

Clear sound with extra deep bass

Up to 26 hours playtime

Water resistant IPX4

Fast and easy connection

Touch Control & Voice Assist


  • Power Supply

    • Charging Case
      • DC 5V, 500 mA
  • Built-in Battery

    • Earbuds
      • 3.7V, Lithium polymer
    • Charging Case
      • 3.7V, Lithium polymer
  • Built-in Battery Capacity

    • Earbuds
      • 45 mAh
    • Charging Case
      • 400 mAh
  • Operating Time (AAC)

    • Earbuds
      • Approx. 6.0 hours
    • Earbuds with Charging Case
      • Approx. 26 hours
  • Playback Time with Battery (SBC)

    • Earbuds
      • Approx. 6.0 hours
    • Earbuds with Charging Case
      • Approx. 26 hours
  • Quick Charge (15 minutes, AAC)

    • Earbuds
      • Approx. 70 minuts
  • Charging Time (25 °C/77 °F)

    • Earbuds
      • Approx. 2.5 hours
    • Charging Case
      • Approx. 2.5 hours
    • Earbuds with Charging Case
      • Approx. 2.5 hours
  • Charging temperature range

    • 10 ℃ to 35 ℃ (50 °F to 95 °F)
  • Operating temperature range

    • 0 ℃ to 40 ℃ (32 °F to 104 °F)
  • Operating humidity range

    • 35 %RH to 80 %RH (no condensation)
  • Mass

    • Earbuds (one side only: L and R are the same)
      • Approx. 4.2 g
    • Charging Case
      • Approx. 34 g
  • Dimensions (W X H X D)

    • Earbuds (with Earpiece M size)
      • Approx. 22 mm × 34 mm × 25 mm
    • Charging Case
      • Approx. 62 mm × 45 mm × 25 mm

Bluetooth® section

  • Bluetooth® system specification

    • Ver. 5.3
  • Wireless equipment classification

    • Class 2
  • Max RF Power (e.i.r.p)

    • 4 dBm
  • Frequency band

    • 2402 MHz to 2480 MHz
  • Supported profiles

    • A2DP, AVRCP, HFP
  • Supported codec

    • SBC, AAC
  • Operating distance

    • Up to 10 m (33 ft)
  • Wireless Frequency band

    • 20 Hz to 20,000 Hz

Earphones section

  • Driver unit

    • 10 mm
  • Noise Canceling

    • -
  • Microphone

    • Mono

Accessory section

  • USB Charging Cord

    • USB charging cord: Approx. 0.2 m
      (Input Plug: USB Type-A Shape, Output Plug: USB Type-C Shape)
  • Earpieces set

    • S, M, L each 2pcs (Size M Attached)

Water resistant

  • Water Resistance

    • IPX4 Equivalent (Earphones only)


  • ・Specifications are subject to change without notice. All numbers given here are approximate.


  • The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Panasonic Corporation is under license. Other trademarks and trade names are those of their respective owners.



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