Amplifier Board/Version:Sunplus2900 Solution No.84 Board RAM:2GB CPU:Allwinner V553，ARM Cortex-A7@1GHz RISC-V@600MHz BT Version:BT 5.1（SY2806L） Wifi: 2.4GHz&5GHz Dual Band Interface:AUX Audio output/TF Card/External microphone/TYPE-C Charging FM Frequency:Set transmission frequency point by youself 87.5-108MHz.
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