User Manual
③ 3.5mm Audio Input 
Connect to the supplied lavalier microphone.
④ USB Typc-C Charging Port
⑤ Belt Clip and Standard Cold Shoe Mount
⑥ Volume Control Buttons & Pair Buttons
Operation Guide
For the Blink500 B1/B2 kit
1. Turn on the transmitter TX by long pressing the power key. 
2. Turn on the receiver RX by long pressing the power 
key. 
3. Insert the pairing pin into the pairing pin-hole of RX, 
press hard and the pair indicator should be quick 
flashing at every 0.5s. Press both the “+” and “-” button 
of transmitter TX simultaneously within 10 seconds.
4. The kit will be paired when the RX pair indicator is solid 
blue and the TX pair indicator is flashing slowly.
 Note: To pair the second transmitter TX, just repeat the 
step 3 and 4.
5. Connect the receiver RX to the mic jack of a camera, 
camcorder, recorder or mixer with the supplied 3.5mm 
TRS audio cable. Or connect the RX to a smartphone or 
tablet with the supplied 3.5mm TRS to TRRS audio cable.
6. You are ready to record.
  Note: The output of receiver RX is line out. You can 
connect it to speaker system. To avoid noise during 
connection, before connecting the receiver to a speaker 
system, please mute the speaker system and do not use 
the headphones.
For the Blink500 B3/B4/B5/B6 kit
1. Turn on the transmitter by long pressing the power key.
2. Plug the RXDi into an iOS device or the RXUC into an USB 
Type-C device. Please make sure the antenna (yellow 
side) is oriented on the top of the device, when in 
landscape mode, to get the best signal.
Volume Functions: 
Indicates the volume setting in three stages.
Pairing Functions:
Adjust the audio level by the “+” 
and “-” buttons. 
Default is in the third stage.
The transmitter mic will be muted 
if you turn down the volume till all 
the lights are turned off.
Flashing Blue Light (every one 
second) = Unpaired
Slow Flashing Blue Light (every 
three seconds) = Paired 
Successfully










