WEKOME Beluga D16 Spiritful Island Desktop Bluetooth Speaker With Dual Microphones(Black)1. Using Bluetooth 5. 3 version, low power consumption and low latency, supporting LE AUDIOA Bluetooth technology 2. Equipped with 2 microphones, 4 voice changes, built in microphone reverberation, sound correction, noise suppression, anti howling and other sound card algorithms, effectively improving noise, howling, out of tune and other problems 3. 360 degree surround sound, bringing a more atmospheric listening experience 4. Built in 3600mAh large