Manual for HA-EC30BT

Charging: Use a USB to AC adapter with DC 5V output. When charging, the LED indicator will light up. When charging is complete, the LED turns off. Power On/Off: Press and hold the ON/OFF button for 3 seconds. The LED indicator will flash blue/red during pairing. Pairing: Hold the button for 7 seconds (3 seconds for first use) until the light blinks blue/red. Enter "0000" if prompted for a PIN code. Answering Calls: Press the button once to answer or end a call. Rejecting Calls: Press and hold the button for 1 second to reject an incoming call. Switching Audio: Press and hold the button for 1 second to switch between phone and headphones. Volume Control: Use the + and - buttons to adjust volume. Music Playback: Use the buttons for play/pause and track skipping. Battery Indicator: Low battery will sound an alarm every 2 minutes. Auto Power Off: The system turns off automatically if no BLUETOOTH device is connected for about 6 minutes. Wearing Instructions: Ensure ear pieces are attached firmly. Choose between standard and open type ear pieces based on listening environment. Water Resistance: IPX5 rated, can be rinsed, but do not submerge. Close the USB cover for water resistance. Magnet Warning: Keep away from objects affected by magnets.