D7 Mini 2.0 Multimedia USB Speaker-White
Frequency Response : 100HZ-18KHZ
Channel: 2.0
Connection: Wired
Interface: USB
Power/Voltage : 5V/1A
Output Power (R.M.S.) : 3W x2(THD<1%)
SNR : ≥80db
Input impedance : 4 Ohm
Speaker : 52mm x2.