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Best Selling Rolton K400 Mini Audio Speaker Megaphone Voi...

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Products Description

Best Selling Rolton K400 Mini Audio Speaker Megaphone Voice Amplifier Support FM Radio TF MP3

Description

1. Light to 133 grams, easy to wear, lecture not tired
2. Using 13-core Rutilon speaker, with excellent sound quality, loud volume does not break the sound and not harsh
3. Using digital efficacy system, low distortion, high clarity
4. Noise reduction microphone / noise reduction speaker, no whistling, so that the sound is more dynamic
5. Support insert TF card / U disk, can be used while charging

Parameters:
1. Material: ABS
2. Rated power: 5W
3. Input voltage: DC 3.7V DC 5.0V
4. Li-ion battery capacity: 1500 mA
5. Frequency response range: 40Hz-20KHz
6. Distortion: +/- 1% (3.7V, 1Khz, 1W)
7. Signal to noise ratio: 83dB
8. Playback format: MP3
9. Impedance: 2Î©
10. Operating temperature: -5 ~ 40 degrees Celsius
11. Size: 85 x 85 x 34mm

Package includes:
1 x mini audio speaker
1 x Wired Headset Microphone
1 x Belt
1 x usb data cable
1 x instruction manual

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