Effects of Bluetooth device electromagnetic field on hearing: pilot study.

Area of Science:

• Audiology
• Electromagnetic field exposure

Background:

• Bluetooth wireless headsets are marketed as hands-free devices with low electromagnetic radiation emissions.
• Concerns exist regarding potential hearing health effects from prolonged Bluetooth device usage.

Purpose of the Study:

• To assess the impact of Bluetooth headset use on hearing function.
• To evaluate changes in pure tone audiography and distortion product otoacoustic emissions.

Main Methods:

• Prospective study involving 30 adult volunteers.
• Exposure to a Bluetooth headset in standby mode for 6 hours and at full power for 10 minutes.
• Post-exposure hearing assessment using pure tone audiography and distortion product otoacoustic emission testing.

Main Results:

• No statistically significant changes in hearing thresholds were observed.
• Distortion product otoacoustic emissions remained unaltered after exposure.

Conclusions:

• Electromagnetic field exposure from Bluetooth headsets, under the tested conditions, did not adversely affect hearing.
• Bluetooth headset use does not appear to decrease hearing sensitivity or alter otoacoustic emissions.