1. When the speaker power off, please long-press the power on button for 3 seconds speaker will be turned on and indicate blue lights flashing.  

2. When the speaker power on, please long-press the power on button for 3 seconds then the speaker power off.  

3. Power on, the speaker will enter Bluetooth mode with blue light flashes & waiting for pairing; the phone will search for the Bluetooth pairing name HY-41, click can be successfully connected. The speaker will automatically connect with the phone that was connected for the last time(The phone Bluetooth open), no need to search and connect again.  

4. When playing music, click the play button to pause the music and then click the button again to restart to play; When playing music, press " " to play the previous song; When playing music, press "+" to play the next song; Long press "- ", the volume will decrease; Long press +, the volume will increase.  

5. Built-in rechargeable battery, working time up to 6 hours. Built-in microphone supports hands-free, talk with the phone.