Computer Speakers

**Bluetooth V2.1 EDR + RDA
**Output:3W *1
**Speaker:3Ω 3W
**Input Sensitivity : 400mV
**Resolution:≥90dB
**Signal-to-noise ration(SNR):≥80dB
**Voltage:DC 5V
**Battery Capacity : 500 mAh
**Produce size : 77*77*79mm