SHIDU SD-S28 2000mAh Bluetooth Portable Voice Amplifier Powerful Sound Audio with UHF wireless microphone

Product Description SHIDU SD-S28 2000mAh Bluetooth Portable Voice Amplifier Powerful Sound Audio                              Model No. S28 Sound coverage: 1000 square meter Output power 25W Net Weight 346g Used for teaching/training/tour guide etc Wireless distance  10m Input voltage 5V 1A MIC wireless Charging time 3~5 hours BT version none Music playing time 6~8 hours AUX input Support computer, cell phone voice amplifying time 10~12 hours Available color: black/ pink/ blue Battery capacity 7.4V 2000mAh lithium battery Appearance size 123mm*99mm*48mm         Main features:    1. SHIDU patented appearance;2. Stylish, ergonomic and comfortable design;3. High power double magnetic trumpet --- more clear and penetrating;4. Bluetooth 4.2 chip, singnal transmission more fast and stable;5. Adopt 3.5 inch Hi Fi double magnetic big-size trumpet, maximum peak up to 25W;6. Adopt SHIDU Acoustic amplification electroacoustic system;7. Equipped with SHIDU special acoustic microphone --- Hi Fi original sound amplification;8. Super MP3 audio encoding technology --- support TF card & U flash disk;9. One touch Hi Fi recording;10. Support AUX --- can connect with PC and work as speaker;