Device Overview & Specifications • Product Type: Live sound card / audio mixer console • Model: F998 (also listed as FRJ-F998) • Power Specification: Input voltage of 5V / 1A DC charging • Internal Battery: 1200mAh capacity • Key Features: DSP noise reduction chip, Bluetooth accompaniment, 16 live sound effects, and 7 scene modes • Compatibility: Android, iOS, and Windows platforms via Type-C, USB, and 3.5mm connections Manufacturing & Regulatory Identification • Manufacturer: Shenzhen Furuijie Electronic Technology Co., Ltd. located in Shenzhen, Guangdong Province, China • FCC Identifier: 2A6NU-F998 (Equipment Class: Part 15 Spread Spectrum Transmitter) • Frequency Range: 2402–2480 MHz • Production Tracking: Serial number and batch number 123456 • Regional Compliance: Authorized European Union (EU REP) and United Kingdom (UK REP) re ...