Rolton K400 Mini Audio Speaker Megaphone Voice Amplifier Support FM Radio TF MP3 (Rose Gold)

Overview & Features

. Light to 133 grams, easy to wear, lecture not tired. Using 13-core Rutilon speaker, with excellent sound quality, loud volume does not break the sound and not harsh. Using digital efficacy system, low distortion, high clarity. Noise reduction microphone / noise reduction speaker, no whistling, so that the sound is more dynamic. Support insert TF card / U disk, can be used while charging.. Parameters:. Material: ABS. Rated power: 5W. Input voltage: DC 3.7V DC 5.0V. Li-ion battery capacity: 1500 mA. Frequency response range: 40Hz-20KHz. Distortion: +/- 1% (3.7V, 1Khz, 1W). Signal to noise ratio: 83dB. Playback format: MP3. Impedance: 2Ω. Operating temperature: -5 ~ 40 degrees Celsius. 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..

Technical Specifications