Supports Two Wireless Microphones Works with two wireless microphones at the same time, ideal for team teaching, group discussions, or presentations with more than one speaker.
Long Battery Life & Type-C Charging Built-in 1800mAh battery lasts up to 15 hours for voice amplification or 4.5 hours for Bluetooth playback. The wireless microphone lasts up to 9.5 hours on a full charge, and both recharge via Type-C in about 2.5 hours.