SUPERIOR SOUND QUALITY - The 60W RMS total output power delivers surprisingly loud room-filling volume from the dual 1" silk dome tweeters and 4" long-throw mid-low drivers, producing distortion-free stereo sound even at maximum volume. BLUETOOTH VERSION - The Bluetooth V5.3 audio receiver supports LDAC codec with the highest transmission bitrate of up to 990kbps. You can stream high-resolution audio up to 24bit/96kHz from your Android smart devices (Android 8.0 or later). MULTI-POINT CONNECTION - The speakers support the simultaneous connection of two Bluetooth devices, making it easy to switch between different audio source devices. LONG BATTERY LIFE - With the built-in 5200mAh high-capacity battery pack, the speaker is sufficient for continuous playback for up to 11 hours per charge.