Product Manual

Note: 1. The whole machine will be automatically reconnected every time it is powered on. If the reconnection is unsuccessful, it will enter the Bluetooth pairing mode after
1 minute. Long press the Bluetooth connection key for 3 seconds, and the device will clear the current Bluetooth connection and re-enter the pairing mode;
2. when Bluetooth is turned off, the USB audio device can only be used with wired connection. The corresponding blue LED at the power switch flashes to indicate that USB
is waiting for connection, and constant light indicates that USB connection is successful;
3When a Bluetooth phone calls in, the blue LED corresponding to the Bluetooth answer key and Bluetooth hang up key flashes to remind the user to make a selection operation;
4. when in Bluetooth call status or Bluetooth caller dialing status, the blue LED corresponding to the Bluetooth answer key is always on;
5. automatic shutdown function. If Bluetooth and USB are not connected within 5 minutes, the whole machine will enter the automatic shutdown state;
6Press and hold the microphone mute key and volume increase key for 10 seconds to enter the upgrade mode.
Briefly press the battery power, and the corresponding 8 indicator lights (blue) above the key display the remaining power;
In order not to affect your normal use, please charge in time when the remaining power is less than 25%.
Turn on 8 lights: the remaining power is more than 95%
Turn on 7 lights: the remaining power is less than 90%