Do you have a question about the YOBYBO CARD20 and is the answer not in the manual?
Details the indicator, storage, and charging port of the charging box.
Describes speaker, indicator, touch button, and microphone on the earphones.
Explains how earphones automatically enter pairing mode when opening the charging box.
Guides users through connecting to a Bluetooth device by finding "CARD20".
Describes automatic reconnection when the charging box is opened with Bluetooth on.
Provides steps if earphones fail to pair with each other.
Explains the LED behavior during pairing and connection states.
Details how the charging box indicates battery capacity and charging status.
Outlines touch controls for answering, playback, and voice assistant.
Covers volume, child safety, water, environment, temperature, and physical handling.
Lists Bluetooth version, frequency, distance, battery life, and charging times.
Details FCC rules, conditions, and interference guidelines for the device.