What you can do with the BLUETOOTH function
The headset uses BLUETOOTH wireless technology, allowing you to listen to music or make phone calls wirelessly by combination with compatible headphones (sold separately).
Listening to music
You can receive audio signals from a smartphone, mobile phone, or music player to enjoy music wirelessly.
Talking on the phone
You can make and receive a call with your hands free, while leaving your smartphone or mobile phone in your bag or pocket.