Rolton K400 Mini Audio Speaker Megaphone Voice Amplifier Support FM Radio TF MP3(White)
Description
1. Light to 133 grams, easy to wear, lecture not tired2. Using 13-core Rutilon speaker, with excellent sound quality, loud volume does not break the sound and not harsh3. Using digital efficacy system, low distortion, high clarity4. Noise reduction microphone / noise reduction speaker, no whistling, so that the sound is more dynamic5. Support insert TF card / U disk, can be used while chargingParameters:1. Material: ABS2. Rated power: 5W3. Input voltage: DC 3.7V DC 5.0V4. Li-ion battery capacity: 1500 mA5. Frequency response range: 40Hz-20KHz6. Distortion: +/- 1% (3.7V, 1Khz, 1W)7. Signal to noise ratio: 83dB8. Playback format: MP39. Impedance: 2Ω10. Operating temperature: -5 ~ 40 degrees Celsius11. Size: 85 x 85 x 34mmPackage includes:1 x mini audio speaker1 x Wired Headset Microphone1 x Belt1 x usb data cable1 x instruction manual
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