Manual for X604

Mobile Phone Usage Guidelines:

Safety Precautions:

• Avoid listening at high volumes to prevent hearing damage.
• Handle earphones with care due to potential excessive sound pressure.
• Do not replace the battery with an incorrect type to avoid explosion risk. Dispose of used batteries according to instructions.
• Connect the product only to a USB interface of version USB2.0.
• Install the adapter near the equipment where it is easily accessible.
• The device complies with RF specifications when used at a separation distance of 5mm from the body.

Operating Conditions:

• EUT Temperature: -10℃ to +65℃
• Charging Temperature: 0℃ to +55℃

Adapter Specifications:

• Adapter1: CQ-18BX (Input: AC 100-240V~50/60Hz, 0.6A; Output: DC 5-9V 2A, DC 9-12V 1.5A)
• Adapter2: CQ-18ZX (Input: AC 100-240V~50/60Hz, 0.6A; Output: DC 5-9V 2A, DC 9-12V 1.5A)

RF Exposure Information:
The device meets international guidelines for exposure to radio waves. The Specific Absorption Rate (SAR) limit for mobile devices is 2.0 W/kg. The highest recorded SAR values for this model are 0.223W/Kg for the Head and 0.933W/Kg for the Body. During use, actual SAR values are typically lower. Maintain a separation distance of at least 0.5 cm from the body during body-worn operation.