A wireless laser communication system with multiple transmitter and auto tracking is reported in this paper.

报道一种采用三个发射器、具有自动跟踪功能的无线激光通信系统。

youdao

Additionally, whether the user is looking to double the output or bring the party to multiple rooms simultaneously, two units can be linked to the same transmitter to provide truly immersive audio.

ENGADGET: Altec Lansing's inMotion Air speaker system streams from just about anywhere

The transmitter's 2.4GHz wireless technology accommodates up to eight LightSpeakers, equaling stereo sound in multiple rooms.

ENGADGET: Klipsch LightSpeaker makes whole home audio as simple as screwing in a light bulb (hands-on)