♚Function Illustration: “1. Power switch / volume control : Pull the wheeled to “ON” to turn on the amplifier with a sound of “crack”. And pull to “ON” continuously to increase volume; pull to “OFF” continuously to decrease volume till turn off. 2.Mode: Insert the U disk/TF card, short press it to select a working mode: USB/ TF card mode, Bluetooth mode, battery mode and UHF mode(just for UHF wireless version). 3.Previous: Long press for fast backward; Short press to switch to the previous music. 4.Play/Pause: Short pressto pause in music mode, and short press again to play. 5. Next: Long press for fast forward, short press switch to next music. 6.MIC microphone access slot: This machine supports wired microphone input. 7.AUX input: Connecting amplifier to external audio device (computer/cellphone/MP3/MP4) via AUX cable, amplifier will play music in above devices when LCD screen show “LINE”.” “8.DC 5V charging slot 9.Digital display screen: Showing playing mode,connection signal ,battery . 10 .TF card slot 11.USB slot (reading data only)” ♚Charging for Voice Amplifier “The battery icon keep flash during charging and stop when fully charged. The speaker will stop all functions while charging. Notes: A.The battery icon continuous flashing when it is low battery, please recharge it timely. It takes 5-6 hours to charging. B.Suggest fully charged before your first use for the best effect. C.This speaker is suitable for charging with all kinds of mobile phone adapter. Please unplug the charging socket promptly after full power and disconnect the power supply.” ♚Specification: “Output power: ≤10 W Frequency response: 80Hz-18000KHz Impedance: 4 Ω Work temperature: -10℃-45℃ Charging voltage: DC 5V 1A Amplify time: 7-8 hours Charging time: 5-6 hours Music mode time 5-7 hours” ♚Caution: “1)Aim at the head-worn MIC capsule when spea
Wireless Voice Amplifier Teachers,SHIDU Portable PA System Megaphone Speaker with Microphone Headset,18Watts/300 Yard Range/ Bluetooth5.0/Work of 7 hrs,for Teaching, Coach and Instructors, conferences
Original price was: $75.99.$60.80Current price is: $60.80.
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