A pair of Bluetooth true wireless earbuds is cleverly hidden in the Bluetooth speaker. It is both a Bluetooth stereo speaker and a charging case for wireless bluetooth headphones. They use different Bluetooth modules and do not affect each other when used! Bluetooth speaker with built-in microphone for hands-free calls.The Bluetooth speaker achieves the best bass and stereo effects with a very small body. The Speaker delights all the senses with its dynamic design along with its high-quality, dual-bass stereo surround sound that does not diminish at high volumes.The Bluetooth wireless earbuds use touch control that Master-Slave Switch, one key to achieve Multi-function, Simple Operation and more Convenient.