Colorfire CSP-5201 ·Knob control ·Ultrahigh range ·Surging bass ·AUX audio input ·One-line connection ·Acoustic filter ·USB powered ·Panoramic surround Specifications: Model CSP-5201 Type Integrated desktop speaker Size 38.5 * 5.5 * 6.5cm Speaker unit, double tweeter dome unit, double bass flat unit Frequency response range: 80Hz-18kHz Signal-to-noise ratio ≥ 75dB Bluetooth not supported Input current 600mA Output power 3W * 2 Power supply mode USB DC 5V Line length 120cm 1. HiFi level integrated speaker: high sound quality/surround sound 2. Panoramic surround sound experience: meet all your needs for sound 3. The retro analog volume knob provides good control feedback, quiet and true original sound, which is triggered by one button. 4. Professional acoustic design with double treble+double bass can easily cover all frequency bands of sound. 5. Various game scenes create a sound effect experience full of space for you.