Color: Golden Material: Metal Size: Approx. 23 x 7.5 x 3.2 cm Reverb Mode: Echo reverberation Output Power: 5W Frequency Range: 100Hz - 10kHz Charging Voltage: 5V Multiple Functions: Combines microphone and speaker; allows singing and recording simultaneously Easy to Operate: No driver required, just connect and use. Enables singing anytime, anywhere Excellent Sound Quality: Delivers low noise and high fidelity with clear, delicate audio Supports Karaoke TV Apps: Compatible with Android and iOS devices; works with most Karaoke TV apps Note: Due to lighting effects, monitor brightness, and manual measurement, there may be slight variations in color and size between the photo and the actual item. We appreciate your understanding.