NORWII Voice Amplifier Amplify your sound and Protect your throat Why choose us? · Loud enough to protect your throat. · Up to 36 hours of continuous working time. · High fidelity with true original voice amplify. · Portable and comfortable to wear. Extra Long Working Time Build in high quality lithium battery with sufficient capacity of 4000mAh. 6 hours fully charge provide 36 hours continuous working. Low battery alert is available. Voice amplifier with wired microphone Insert the wired microphone plug directly into the MIC interface of the voice amplifier, adjust the headset to any angle that is comfortable for you. Bluetooth Support Portable Speaker support bluetooth, can also play music from smartphone and PC Recording Function One-key recording function, it can make your class and speech more vivid, suitable for speech, training, coaching MP3 Playing Insert saved MP3 WMA, WAV format audio files can be automatically played on a USB drive or TF card External Speaker Voice amplifier is connected to external audio sources such as computers, mobile phones, and other audio sources through 3.5mm AUX audio cable Previous page Amplifier for Classroom Can effectively protect the teacher's voice and make every lesson an enjoyable experience. Amplifier for Yoga Keeping the microphone within 0.5-1 cm of your mouth provides better amplified sound quality. Amplifier For Promotion Norwii Voice Amplifier in noisy outlets to enhance promotional effectiveness. Amplifier for Tour Guide 4000mAh battery of voice amplifier is suitable for public speaking and tour guide. Next page 1 Teacher 2 Yoga 3 Promotion 4 Tour Guide NORWII Voice Amplifier S328 Add to Cart S358 Pro Add to Cart S358 Add to Cart S358 Add to Cart S368 Add to Cart Customer Reviews 4.3 out of 5 stars 95 4.5 out of 5 stars 110 4.5 out of 5 stars 325 4.4 out of 5 stars 1,928 4.2 out of 5 stars 228 Price $25.99$25.99 $37.99$37.99 $23.99$23.99 $29.99$29.99 $19.99$19.99 Charge Time 4-6 Hours 4-6 Hours 4-6 Hours 2-3 Hours 2-3 Hours Use Time 38 Hours 38 Hours 38 Hours 18 Hours 30 Hours Microphone Style Wired Microphone Wired & Wireless Microphone Wired Microphone Wired Microphone Wired Microphone Bluetooth ✔ ✔ ✘ ✘ ✘ TF Card Port ✔ ✔ ✘ ✘ ✘ Recording function ✔ ✔ ✘ ✘ ✘