SouthWing SA505 Stereo Headphones The comfortable design and easy to use features of the Southwing SA505 Bluetooth stereo headphones allow you to fully utilize the features of your phone. You can talk and listen to your favorite music with the same device. Expandable microphone boom for better voice quality 50mm stereo speakers for extreme sound quality Controls on the headset to easily transfer between listening to music and talking on the phone .