True Wireless Earphones
Suggested Retail Price HK$799



  • Powerful, premium 8mm driver units deliver dynamic bass for all your music and smartphone content

  • Left-Right Independent Signaling System allows you to use just one earphones independently. You can listen to music or make a call with one earphone while charging the other
  • Ambient Sound Mode lets you hear surrounding sound while listening to music
  • Various operations are possible with the touch sensor. You can also enjoy a wide variety of features with Panasonic Audio App (free of charge)
  • By using the high-performance MEMS, good sound can be picked up even if it is placed deep in the microphone hole, making it less susceptible to wind blow noise
  • With IPX4-equivalent water resistance*, sudden showers are not a problem
  • You can launch smartphone voice function** such as Siri. This enables you to select music, adjust the volume, and make phone calls, without having to get your smartphone out
  • 30 hours' wireless playback when fully charged
  • 90 mins. wireless playback after 15 mins. quick charged
  • compact design
  • Color: Black / White

* Only the headphones are compatible with the IPX4 equivalent. It does not include the charging cradle.

** May not function depend on the smartphone specifications and app version


Stay connected. No matter what.

The S300W true wireless earphones provide stable connectivity even in crowded areas so you have the maximum comfort when enjoying your content. The minimal and compact design does not get in the way but lets you enjoy your content and conversations wherever, whenever.


Stable Connections Even in Crowded Areas

Say goodbye to brief interruptions to your music or calls, even in crowded places, thanks to the optimised touch sensor and antenna in the compact cabinet design, complemented by a Left-Right Independent Signalling System. Enjoy the stable connection you deserve, wherever you are.


Left-Right Independent Signalling System

Most wireless earphones receive the mobile phone signal in one earpiece, which transmits it to the another ear. This can produce drop-outs and unbalanced sound. Our Left-Right Independent Signalling system resolves this, as each earpiece receives a dedicated signal.


High-Quality Call Sound

Applies high-performance MEMS microphones built-in unique noise reduction (labyrinth cabinet) structure that can suppress wind noise. Unpleasant noises are reduced and call quality is improved


Customize to Suit Your Needs

Panasonic Audio Connect App Support:

  • Easy Pairing
  • Initialize Settings
  • Noise Cancelling / Ambient Sound Control
  • Sound Mode Settings
  • Find Headphones

*Compatible with smartphones and tablets that are equipped with Android™ 6.0 or higher and that support Google Play™, or an iPhone®, iPad® and iPod Touch® equipped with iOS9.3 or higher.

Ambient Sound Mode

Simply long tapping the touch sensor switches to Ambient Sound mode to capture external sounds while listening to music.

Voice Assistant Activation

Voice assistant smartphone functions such as Siri®, Google Assistant™ and Amazon Alexa can be activated by operating the headphone’s touch sensor.

IPX4 Water Resistance

With IPX4-equivalent water resistance*, sudden showers are not a problem.

*Only the headphones are compatible with the IPX4 equivalent. It does not include the charging cradle.


True Wireless Earphones
General Specifications
Headphones / Earphones
Driver Unit (mm) 8 mm
Magnet TypeNeodymium
Frequency Band (with Bluetooth®)20 Hz - 20000 Hz
Supplied AccessoryUSB charging cord: Approx. 0.5 m Earpieces set: XS, S, M, L (M attached)
Playback Time with BatteryApprox. 7.5 hours (Headphones) Approx. 30 hours (Headphones with Charging cradle)
Charging Time (25°C/ 77°F)Approx. 2 hours (Headphones) Approx. 4 hours (Headphones with Charging cradle)
Quick Charge15 Minutes / 90 minutes playback
Bluetooth® Version5.0
Bluetooth® Operating DistanceUp to 10 m
Supported ProfilesA2DP, AVRCP, HSP, HFP
Codec of Bluetooth® Wireless TechnologySBC, AAC
Control/ MicYes
Water ProofIPX4 Standard
WeightOne side earphone: Approx. 4 g Charging cradle: Approx. 45g


User Manual - RZ-S300 Operation Instruction


Online Warranty Registration