About the BLUETOOTH wireless technology

The BLUETOOTH wireless technology is a short-range wireless technology that enables communication between digital devices, such as smartphones and computers.

BLUETOOTH communication systems and profiles

A BLUETOOTH profile is a set of functions standardized for every characteristic of BLUETOOTH devices. The speaker supports the following communication system and profiles of the BLUETOOTH standard.

Communication system: BLUETOOTH Specification version 5.2

Compatible BLUETOOTH profile:

  • A2DP (Advanced Audio Distribution Profile): Enables transmission and reception of high-quality music contents.
  • AVRCP (Audio Video Remote Control Profile): Enables volume adjustment and operations to play/pause music and skip to the beginning of the next/current track.
  • HSP (Headset Profile)*: Enables phone call making and smartphone or mobile phone operations.
  • HFP (Hands-free Profile)*: Enables hands-free phone call making and smartphone or mobile phone operations.

* If the smartphone or mobile phone with the BLUETOOTH function supports both HFP and HSP, use HFP (Hands-free Profile).

Maximum communication range

Use the BLUETOOTH wireless technology between the speaker and a device that are located within about 30 m (98.4 ft) from each other.

Maximum communication range may shorten under the following conditions.

  • There is an obstacle such as a person, metal, or wall between the speaker and BLUETOOTH device.
  • A wireless LAN device is in use near the speaker.
  • A microwave oven is in use near the speaker.
  • A device that generates electromagnetic radiation is in use near the speaker.

Frequency band

2.4 GHz band (2.400 0 GHz - 2.483 5 GHz)

Corresponding content protection

SCMS-T

Transmission range (A2DP)

20 Hz - 20 000 Hz (Sampling frequency 44.1 kHz)

Interference from other devices

Because BLUETOOTH devices and wireless LAN (IEEE802.11ax/b/g/n) use the same frequency (2.4 GHz), microwave interference may occur and result in communication speed deterioration, noise, or invalid connection if the speaker is used near a wireless LAN device.

Interference to other devices

Microwaves emitting from a BLUETOOTH device may affect the operation of electronic medical devices. Turn off this speaker and other BLUETOOTH devices in the following locations, as it may cause an accident:

  • in hospitals, near priority seating in trains, locations where inflammable gas is present, near automatic doors, or near fire alarms.

Note

  • Depending on the network environment, there may be an interruption at the high bitrate transmission.
  • To be able to use the BLUETOOTH function, the BLUETOOTH device to be connected requires the same profile as the speaker’s. Note also that even if the same profile exists, devices may vary in function depending on their specifications.
  • Due to the characteristic of BLUETOOTH wireless technology, the sound played on the speaker is slightly delayed from the sound played on the BLUETOOTH device while talking on the telephone or listening to music.
  • The speaker supports security capabilities that comply with the BLUETOOTH standard to provide a secure connection when the BLUETOOTH wireless technology is used, but security may not be enough depending on the setting. Be careful when communicating using BLUETOOTH wireless technology.
  • We do not take any responsibility for the leakage of information during BLUETOOTH communication.
  • A device featuring the BLUETOOTH function is required to conform to the BLUETOOTH standard specified by the Bluetooth SIG, Inc. and be authenticated. Even if the connected device conforms to the above mentioned BLUETOOTH standard, some devices may not be connected or work correctly, depending on the features or specifications of the device.
  • Noise or sound interruption may occur depending on the BLUETOOTH device connected with the speaker, the communication environment or the usage environment.
  • A device with a built-in radio or tuner cannot be connected to the speaker via a BLUETOOTH connection since noise may occur in broadcasts.
  • Locate the speaker farther away from a TV, radio or tuner, etc. since noise may occur in broadcasts.