MH5 2 in 1 Bluetooth Headphone combines Bluetooth headphone and Twist-out speaker. As a Bluetooth headphone, you can enjoy music and pick up calls with purest sound quality. But as a speaker, you twist out to share music with others. What's more, NFC function make pairing easier and FM TF Card Aux-in modes makes your music world colorful. Foldable design and flexible headband brings much convenience in your daily life.