1. Output power; RMS 3W THD=10%.
2. Frequency response: 150-18000HZ.
3. Signal to noise ratio: "80dB.
4. Speaker: 1.77 inch outer diameter: 45mm/1.77in antimagnetic, 4 ohm 3w.
5. Micro USB interface: with micro USB binary download line (with Line in input line).
6. DC-5V charging.
7. Function: can insert TF card to play, download, audio input.
8. Built-in 600 mAh battery.
There may be slight size deviations due to manual measurement, different measuring methods and tools.
The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.
1 x USB Cable
1 x Manual
1 x Main Engine