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MP3,WAV file format:Supports sampling rates 8 ~ 48K,8 ~ 320Kbps bit rate audio files
USB interface:2.0 standard (Micro USB interface)
UART interface:Standard serial port, 3.3V TTL level,baud rate 9600
Input voltage:3.6V-5V (recommended 4.2V)
Quiescent Current:15MA (entire module)
Amplifier power:connect 2W / 4Ω or 1W / 8Ω speaker
Size:21mm * 18mm
Operating Temperature:-40°C ~ 70°C
Humidity:5% to 95%
Maximum support 16M byte capacity：such as?GD25Q16[2M byte]、GD25Q128[16M byte]
Standard 2.54mm pin header, DIP16 package 24 bit DAC output, dynamic range support 90dB, SNR support 85dB.
Package included：
1 x Module