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Procedure for attaching the E1 earphone to both sides inside the helmet securely.
Adjusting the microphone for optimal audio capture and a better fit.
Instructions for powering the device on/off and understanding basic button operations.
Steps to pair the earphone with a cellphone and automatic reconnection process.
Managing incoming calls, answering, hanging up, and handling music interruption.
Features for rejecting calls, redialing the last number, and canceling redial.
Controlling music playback (play/pause, skip) and adjusting volume levels.
Activating voice assistants and understanding low battery and charging status lights.
Instructions to reset the earphone to factory default settings by pressing multiple buttons.
Detailed specifications including Bluetooth version, battery, working distance, and temperature range.
Important warnings regarding usage, volume, installation, and potential risks.
Guidelines for safe battery use, disposal, and avoiding damage or hazards.
Table detailing toxic and harmful substances in the product's components.
Regulatory information regarding FCC rules, interference, and device operation conditions.