* Circular mini speaker
* Product size:50*50*50mm
* Support SD/MMC card ,USB Disk,
* Output power:3W*2（1KHZ，THD10%）
* Supply voltage:5 v
* Frequency response:90HZ—20KHZ
* S/N:≥75dB
* Built-in li-battery rechargeable
* Product size:50*50*50mm
* Output power:3W*2（1KHZ，THD10%）
* Supply voltage:5 v
* Frequency response:90HZ—20KHZ
* S/N:≥75dB
Package:color box
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