Powerful Wired Portable Microphone Voice Amplifier Loudspeaker PA System for Teachers Speakers Tour Guides

Important Information for Buyers There are many models of voice amplifiers. The loudness of models with multiple functions (eg. radio) is just a fraction as compared to this model. All the resources in this compact amplifier are dedicated to producing loud and clear voice amplification. This is the only amplifier you need for indoor classrooms, large crowds or even outdoors! A great companion for any speaker, tour guide or teacher! This portable loudspeaker can be used as a voice amplifier as well as a speaker for your laptop or mobile devices. The powerful speaker will produce sound at 180db and can be used in rooms up to 2000 square meters. What's in the box: - Amplifier - Instruction manual (in English) - Microphone - Waistband belt (to secure around waist or hang on your shoulder) - USB charger cable - Audio cable Specifications: Battery: 1800mA lithium ion Working time: 10 - 15 hours Weight: 218g Dimension: 9.8cm x 8.8cm x 4.5cm Charging: You may plug the usb charger cable into your laptop, power bank or any mobile phone / tablet usb plug adapter. When charging, red light will be flashing. Charge until the red light is lighted up and not flashing.