Model Number: SOAIY S-318 BLUE. Brand Name: SOAIY Key Specifications/Special Features: Features:· Multifunctional LED display· Professional sound amplifying circuit, amplifying clear without howling· Professional reverberation circuit, analog echo effect without distortion· Unique recording function, save to TF card and USB flash drive automatically· Double voice coil design, strong power, deep bass· Equipped with high sensitivity radio antenna, one key scan and memory channels· Supports TF card or USB flash drive play MP3/WMA format audio directlySpecifications:
· Output power: 3W RMS
· Frequency response: 120Hz to 20Hz
· Input sensitivity: 500mV ±50mV
· Impedance: 4Ω
· SNR: ≥70dB
· Distortion: THD 0.3%
· Battery: BL-5C/3.7V
· Power supply: USB/DC 5V
· Product size: L129*W87.5*H40mm
· Weight: 225g
· Colors: white, blue, purple, green