To say TWS Bluetooth headset, we start with TWS technology. TWS: An acronym for True Wireless Stereo, meaning true wireless stereo, the realization of which is based on the development of chip technology. Technically, it refers to the phone through the connection of the main speaker, and then by the main speaker via Bluetooth wireless connection from the speaker, to achieve true Bluetooth left and right channel wireless separation use. When not connected from the speaker, the main speaker returns to mono sound quality. TWS technology used in the field of Bluetooth headset, it also spawned a new product - TWS Bluetooth headset.