Superior sound quality: 5 W drivers provide amplified high-definition and low stereo sound, and the DSP-3D chip and Dual Class G Amplifier provide a surprisingly high-quality sound experience Supports True Wireless Stereo technology: Through the True Wireless Stereo technology for pairing with what you can connect Bluetooth two speakers of the same type to emulate a surround system, just control the TRUE Wireless Stereo master device, then the audio can be played in synchronization on both devices with Double Improved Stereo Sound