Specification:Name: Lansion Personal sound amplifier Color: Beige Charing Case:?600mAh buit-in *Full charing about 2~4 hours? *Recharging for amplifiers about?4 times? Personal Sound Amplifiers:?45mAh buit-in *Full charing 4~5 hours? *Working time 80 hours /pc Max sound out put:129+/- 3dB? Sound gain:>= 40dB+/- 5dB? Total harmonic wave distortion:<= 10%? Frequency range:350-4500MHz Input Noise:<=32dB Package Included:2 x Personal sound amplifier 6 x Domes 1 x USB charge cable 1 x Portable charging case 1 x Cleaning brush 1 x User manual Double Noise Reduction:?One button switches three different modes, easily reduce noise. Cycle Charge Use:?It can be fully charged for about 2-4 hours, can be used for 80 hours, and the battery life is 5 years. Don't Hurt Your Ear:?Intelligent audio processing introduces the strength of the body's receiving range, so that our eardrums are not damaged. Suitable for Left or Right Ear:?The ear hook can be rotated 360 degrees, and both left and right ears can be used. Sweat-proof and Fall-proof:?It's made of nano materials, which can prevent sweat normally. Itcan also be worn during exercise. 100% Service Guarantee:?If you have any questions about our personal sound amplifier, feel free to contact us. Our professional customer service team will provide you with solutions within 24 hours.
