1. Supports MP3 playback from TF card and USB flash drive. 2. Supports bass and treble adjustment. 3. Audio inputs: Bluetooth, AUX, USB, TF card. 4. Audio outputs: Left and right channels with treble control. 5. Rated power: 100W. 6. Features dual microphone inputs. Plug type: EU plug — compatible with Indonesia, Germany, France, Spain, Italy, and other EU-standard countries. Voltage: AC 110–220V. Color: Black. Material: Iron. DC power cable and speaker cable colors are random; specific colors cannot be requested. Slight color variations may occur between the product and its image due to lighting and screen settings. These variations do not affect functionality. Package includes: - 1 × Bluetooth amplifier board - 1 × Remote control - 1 × Speaker cable - 1 × DC power supply cable - 1 × Power supply cable Note: This package does not include any additional items beyond those listed. Measurement tolerance: ±1–3 cm.