4
Volume down
Volume up
Reduce the volume
Power button
L
ong press to turn on / off the microphone
Increase the volume
Micrphone mute
Press microphone mute button, red
indicator on. Press again, microphone
works, green indicator on.
Bluetooth
T
urn on / off bluetooth function
(TEVO-A2000B)
Hook up
Hook up when calling
Answer when calling (only for A2000B)
Answer
1. Please charge before using the Wireless / Bluetooth devices.
2. This device comes with built-in rechargeable battery, Please charge
with standard USB cable and power adaptor, or charge by connect-
ing the device to PC.
Note: Please charge the device before using it for the first time. It t-
akes 2-3 hours for the device to be fully charged.
1. The device works normally blue indicator on.
2. Red indicator on: Microphone mute.
3. Bluetooth turn on, blue indicator flashes; Bluetooth connect, blue i-
ndicator on.
4. 2.4G wireless connect, blue indicator on.
5. When the device has no peripheral connection after power on, it will
shut down automatically after 3 minutes.
Button
Charging instructions
Led indicator function
