Kisonli T‐009 Mini USB Speaker — offers:
Power Output: Approx. 3 W × 2 (stereo RMS)
Signal-to-Noise Ratio: ≥ 60 dB
Frequency Response: 90 Hz – 20 kHz
Impedance: 4 Ω
Inputs: USB (DC 5 V) power, plus 3.5 mm audio jack for sound input
Weight: ~0.2 kg (lightweight)
Dimensions: Approx. 95 × 120 × 145 mm
Design & Material: Compact plastic build (some models mention wood-plastic hybrid
Controls: Likely includes inline volume knob on cable
Plug-and-play: No external power adapter or driver needed—just USB power and audio connection