Lansion Sound amplifier, personal amplifier is comfortable and easy to operate

Lansion Updated Design: Germany Digital chip, fine sound quality, comfortable listening. Lansion Personal Sound Amplifiers not only has better double noise reduction and prevent howling, but also has the function of instantaneous strong sound intelligent ear protection. 3 different frequency modes and 4 channel for you choices, ensure you can hear a clear voice in different environments by adjusting your settings. Safe and Comfortable: Personal Sound Amplifiers uses the latest materials, shell nano coating, waterproof and sweatproof, the color is close to the skin color of the human body, beautiful to wear; different sizes of silicone materials domes are suitable for everyone, match cleaning tools to extend service life; ergonomic design, not easy to fall off, This Personal Sound Amplifiers are small and light-weight, magic ear as seen on tv, no radiation and harm for the human ear. Noise Reduction Function: The newly upgraded smart chip, the noise reduction function is very good. Personal Sound Amplifiers sounds more natural and provides you with a wonderful experience. Excellent sound quality and comfortable listening. Suitable for all kinds of people with aural problem, the angle of the earplugs can be adjusted, suitable for left and right ears Quickly Charge: The Personal Sound Amplifiers should be charged fully about 4 - 6 hours and about 100 hours can be used, put it on a small box, portable and go out. Personal Sound Amplifiers allow you to easily communicate with others, provide a "boost" for your better life.(Tips:It is USB rechargeable device without frequent battery replacement) After-Sale Service: If you have an issue with our ear Personal Sound Amplifiers, don’t hesitate to contact with us, it’s our pleasure to serve you. Specially designed for people with aural problem, that will not feel pain even wearing for a long time. We will provide satisfactory replies for you within 24h. Specifications: Type: Personal Sound Amplifiers Product size:0.65 x0.44 x1.69 in Weight: 0.19lb Max. saturation sound pressure level(SSPL):130dB±4dB Full on Acoustic Gain: 45±5dB Total Harmonic Distortion(THD):F>1000H 15% F<1000H 10% Frequency Response:450-3500 Hz Equivalent Input Noise:32 dB Battery: Rechargeable Battery Current Drain:4 mA Estimated Battery Life:48 Hours Rated Voltage:D.C 1.5V Packing list: Personal Sound Amplifiers* 1 Earplugs * 3 Cleaning sweeper * 1 USB Charge line * 1 Package box * 1

To get rid of the whistling, please follow our instructions about the insertion and adjustment: Set the volume at the lowest level. Choose the most comfortable ear dome for your ear. Make sure there is no air go through your ear canal. Wear the amplifiers before turning on the device. Adjust the volume according to the environment until you can hear clearly. Clear Sound Quality Easy To Use For Senior Portable Charging Case One Day Once Charge Is All You Need