Equipped with a full range speaker unit with a diameter of approximately 1.8 inches (46 mm). Sony exclusive eccentric unit for clear sound playback The underside of the main unit has a passive radiator that enhances bass sounds, so it is possible to achieve a crisp and presence bass range. Furthermore, the speaker grille opening is magnified(*) so you can enjoy medium and high range sounds such as deep bass and vocals. * Our traditional SRS-XB13 ratio

The passive radiator provides an impressive bass experience.

The "passive radiator" is located on the bottom of the main unit. It achieves a bass range with a sharp presence.

Waterproof and dustproof, so you can use it safely in the bath, kitchen, and outdoors.

Waterproof and dustproof (*), so you can enjoy music not only in the bath or kitchen, but also in the pool or camping outdoors. * Waterproof performance is defined to not submerge the speaker under 1m underwater for up to 30 minutes (IPX7 equivalent). It is protected from dust testing dust from entering the inside of the product (IP6X equivalent).

Long battery and strap for convenient portability.

Built-in battery that can be used for approximately 4.5 hours of playtime (*) for about 16 hours. You can use it without worrying about the battery. Moreover, it comes with a strap for easy carrying, so you can carry your music with ease. * Due to usage conditions, such as volume, playback song, ambient temperature and so on

â—† Play your smartphone music with clear high sound quality and deep bass

â—† Waterproof and dustproof, so you can use it safely in the bath, kitchen, and outdoors

â—† Long battery and strap for convenient on-the-go use

â—† Hands-free call function ideal for telework

â—† The Stereo Pair function allows you to connect 2 devices for stereo enjoyment