Boya Boyalink 3-4 Al-Powered Button-Sized Wireless Micro Phone - Black Spec:

Brand	Boya
IC	26803-41301TX
INPUT	5V=1A
OUTPUT	5V=1A
All-Device Compatible	For Android system For IOS system For DSLR Camera
Model	Boyalink 3-TX  - BOYALINK 3-RX
Color	Black
Warranty	12 Months

Overview For Boya Boyalink 3-4 Al-Powered Button-Sized Wireless Micro Phone - Black

Charge While Recording

Support simultaneous charging and use for long shoots, live streams, and content creation on the go

Pioneering 2TX–4RX Design

Multi-Device Sync for Multi-Camera & Cross-Platform Live Streaming
Note: Additional receivers require separate purchase