SHIDU S28 25W Portable Wireless Voice Amplifier for Teacher Bluetooth Speaker with Microphone Echo AUX TF USB Flash Recording

• Stylish, ergonomic, and comfortable design


• High power double magnetic trumpet, more clear and penetrating


• Bluetooth 4.2 chip, signal transmission more fast and stable


• UHF wireless MIC with built-in high-quality lithium battery


• Adopt 3.5 Inch HiFi double magnetic big-size trumpet, maximum peak up to 25w


• Adopt SHIDU acoustic amplification electroacoustic system


• Equipped with SHIDU special acoustic microphone. HiFi original sound amplification


• Super MP3 audio encoding technology. Support TF Card & U Flash Disk


• One-Touch HiFi Recording


• Support AUX: Can connect with PC and work as a speaker

Specifications:

• Output power: 25W


• Charging voltage: DC 5V 1A


• Lithium battery: 7.4V, 2000mAh


• Working time (50% volume): 8~10 hours (music mode); 10~12 hours (wired microphone)


• Charging time: 3~5 hours


• Product size: 123 x 99 x 48mm


• Unit weight: 298g


• Working temperature: -10℃~45℃


• Frequency response: 90Hz~18KHz


• Sound coverage: 2500㎡


• Wireless distance: 30-35m