Optoma Technology BM21 Bluetooth Conferencing Speakerphone

Overview

The Optoma BM21 is a Bluetooth conferencing speakerphone designed to provide clear and natural voice capture for small teams, home offices, and professionals on the move. It features a 360-degree omnidirectional microphone that picks up voices from all directions, ensuring everyone around the table is heard without needing to crowd the device. With up to 8 hours of talk time and Bluetooth 4.2 connectivity, it offers reliable wireless performance and portability for meetings anywhere.

Key features

• 360-degree omnidirectional microphone captures voices from every angle, allowing natural conversation flow without repositioning.
• Bluetooth 4.2 technology enables quick and stable pairing with phones, tablets, and laptops for seamless wireless calls.
• Includes a 3.5 mm audio cable for instant wired connection when preferred or required.
• Up to 8 hours of battery life supports extended meetings and back-to-back calls without interruption.
• USB-C charging port provides fast and convenient power replenishment to minimize downtime.
• Compact and lightweight design makes it easy to carry in a backpack or laptop bag for on-the-go conferencing.
• Wireless range of approximately 16 feet allows flexible placement to optimize sound quality in various room sizes.
• Versatile use cases including conference rooms, home offices, remote teaching, and client meetings during travel.

Key specs

• Microphone: 360-degree omnidirectional
• Bluetooth version: 4.2
• Wireless range: approximately 16 feet
• Battery life: up to 8 hours talk time
• Charging port: USB-C
• Wired connection: 3.5 mm audio cable included

Connectivity and compatibility

The BM21 offers versatile connectivity options to fit different setups. Bluetooth 4.2 ensures fast pairing with a wide range of mobile devices and laptops, while the included 3.5 mm cable provides a reliable wired alternative. This flexibility means you can connect easily whether you prefer wireless freedom or a direct audio link.

Ideal uses and environments

This speakerphone works well in small to medium conference rooms, home offices, and remote workspaces. Its portability and battery life make it a strong choice for professionals who need clear audio during client meetings, remote classes, or team stand-ups, whether at a desk, in a hotel room, or on the road. The 360-degree microphone ensures everyone’s voice is captured clearly, supporting productive conversations in diverse environments.