Background Noise Reduction With AI-algorithm enhanced noise reduction and echo cancellation, every word you speak will come through comprehensibly and clearly. 360° Voice Pickup Within a radius of 16.4ft, the BM21 picks up and automatically balances voice volume no matter the speaker’s distance from the microphone. Speak confidently while staying seated or walking around. Multiple Connection Modes Connect via Bluetooth, USB, or AUX to start a meeting in an instant anywhere. Read more Wide Compatibility Widely compatible with popular conference meeting software such as Zoom, WebEx, Skype, GoToMeeting, Facetime, and more. Charge Wirelessly Innovative wireless charging design. Built-in Li-ion battery (2,200mAh) supports up to 8 hours of non-stop usage at maximum volume. Portable Design Small and light. Conduct meetings wherever you go. With its portable design, the MAXHUB BM21 allows you to pick up calls anywhere and anytime. Read more Read more Bluetooth Speakerphone-MAXHUB BM21 Bluetooth Speakerphone-MAXHUB BM21E Voice Pickup Radius 16.4ft 13.1ft Microphone 6 Mics array 6 Mics array Bluetooth ✓ ✓ USB-C ✓ ✓ AUX ✓ ✓ Dongle ✓ × Battery 2200mAh 2200mAh Battery Life Up to 8 hours Up to 8 hours Wireless Charging ✓ ×