Doosl Personal Sound Amplifiers, Lightweight, Noise Reduction, Rechargeable Aid Digital Sound Amplifier Device to Assist Hearing of Seniors and Adults, 1 Pack

Doosl rechargeable digital Personal sound amplifiers, a personal sound amplifiers device suitable for seniors and adults, it is designed to let your hearing better.

Upgraded Personal sound amplifiers: 44.8% Improvement Compared to the Previous Generation. RIC Design reduces the chance of Howling and is not Easy to fall off, strengthen the surrounding vocals, weaken the environmental noise, advanced noise-canceling, feedback suppression & background reduction.

Rechargeable: This Is a USB Rechargeable personal sound amplifier, So you don’t have to think about where to put the button battery. It can work for 40 Hours after charging for 6 hours. Tips: Too Long-term charging will shorten battery life.

Easy To Use: One Button to adjust the Volume, One Button to Adjust the Channel and Switch off/on, You can Choose according to different environments.

Comfortable To Wear: The Personal sound amplifiers adopts a humanized arc design, which is comfortable and not easy to fall. Lightweight and small size, 0.25 oz, TPE Material Is Soft And Elastic

Plenty of Accessories: 4 Pieces earplugs for different sizes of ears, brush for cleaning, USB cable for charging.

• 4 earplugs fit for different ear sizes
• Light and tiny
• Ergonomic design for ears
• Easy to use: One Button to adjust the volume, one button to adjust the channel and switch Off/On
• Type: Doosl Personal sound amplifiers
• Model: 1206
• Color: Silver
• Max sound output: 129+/- 3 dB
• Sound gain: >=40 dB+/- 5 dB
• Total harmonic wave distortion: <= 10%
• Frequency range: 450-3400 MHz
• Input Noise: <=32 dB
• Voltage: D.C. 1.2 V
• Current:<= 2 mA
• Full charging time: About 6 hours
• Working time: 48 hours
• Package Included:
• 1 x Personal sound amplifiers
• 4 x Earplugs
• 1 x Brush
• 1 x USB Charging cable
• 1 x User Manual
• Notes:
• There will be high pitching sound/whistling if you did not use the hearing instrument correctly, and it’s common for all kinds of Personal sound amplifiers and hearing instruments.
• To get rid of the whistling, please follow our instructions about the insertion and adjustment: 1. Set the volume at the lowest level.
• 2. Choose the most comfortable ear dome for your ear. Make sure there is no air go through your ear canal.
• 3. Wear the Personal sound amplifiers before turning on the device.
• 4. Adjust the volume according to the environment until you can hear clearly