Mighty Bass That Moves You
Wireless Headphones RB-M300B capitalise on heavy bass sound for you to enjoy music to the fullest. RB-M300B features XBS DEEP that delivers well-defined deep bass and also has Bass Enhancer to further emphasize bass when you want.

Encompassing, Deep Bass
Apply an equalizer for stronger bass with the touch of a button. This Bass Enhancer clarifies the bass for even more powerful sound, expanding the range of music you can enjoy.

XBS DEEP Delivers Premium Bass Performance
The XBS DEEP (Extra Bass System Deep) playback technology was developed by optimal tuning of the housing structure, the driver equalizing function providing powerful bass performance with unprecedented well-defined deep bass response.

Well-Defined Deep Bass Response
The 40mm Free Edger driver System produces sound evenly through the distortion-resistant diaphragm, and allows the headphones to achieve a deep, delicate bass. With highly elastic material around the edge, the diaphragm can move dynamically and smoothly to precisely reproduce sounds.

Lightweight and Comfortable Fit
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.

Voice Assistant Activation
You can launch smartphone voice function to select music, adjust the volume, and make phone calls, with your voice.

50 hours Playback
You can keep on for more than 50 hours of continuous wireless playback.

Quick Charge
Quick charge before going out. Just 15 minutes of charging supports 3 hours of listening.