This report details the Specific Absorption Rate (SAR) testing performed on the Oraimo OPN-373 Open-Ear True Wireless Earbuds. The testing was conducted by Shenzhen BALUN Technology Co., Ltd. to ensure compliance with FCC regulations, specifically FCC 47 CFR Part 2.1093. The device was evaluated for head exposure conditions, and the maximum SAR value recorded was 0.17 W/kg, well below the FCC limit of 1.6 W/kg.
The report includes comprehensive information about the device, testing environment, measurement system, and procedures used. It also provides detailed results of the SAR measurements, including the highest SAR values for different test configurations. The test setup and equipment used are described in detail, along with the relevant calibration information. The report concludes that the Oraimo OPN-373 Open-Ear True Wireless Earbuds meet the SAR requirements for portable devices as defined by the FCC.
The testing was performed in May 2025, and the report was issued on May 15, 2025. The report includes annexes with supporting data, such as simulating liquid verification results, system check results, test data, EUT external photos, SAR test setup photos, calibration report, and tune-up procedure.