It is really small speaker Easy to carry in your pocket for zoom meeting and online classes and it has calling mic . Noise cancellation is very important for calling and online meeting in public area. Support BT Music, BT Handsfree Call, LINE-IN, Remote Shutter Built in a stereo loudspeaker, a microphone. Tiny but loud, with super bass sound system. Wireless Bluetooth V5.0 speaker - Has 66-ft Bluetooth wireless range, pairing is quick, simple and lets you stream straight from Bluetooth enabled devices. Li-ion rechargeable battery combine to power up to 3 hours(50% volume) of non-stop music. and the perfect design to bring the music anywhere. Is The Ultimate, High-Powered Portable Bluetooth Speaker With Powerful Stereo Sound. A Built-In Noise And Echo-Cancelling Speakerphone Gives You Crystal Clear Calls With The Press Of a Button.