Description
- Frequency response range: 100hz-20Khz
- Signal-to-noise ratio: 84db or higher
- Sensitivity: 80db_2db
- The output power: 3Wx1
- The speaker specification: 4ohms3W 45mm. Input power supply: DC5V-500mAh. Working voltage: 3.0 to 5.5V. Playing time/Icharging time: 180min/120