Doosl Personal Sound Amplifiers, Aid Digital Personal Sound Amplifiers BTE In-Ear Assist Devices Rechargeable Personal Sound Amplifiers with Noise Consuling for Senior Adults, 2 Pcs Hair Dryer Brush for 10-15 minutes) to adapt

for 10-15 minutes) to adapt it and slowly extend the time

Packing list:1*1080P Projector1*AV Cable1*HD Cable1*Power Cable1*Remote Control1*Projector Use Manual1*120" Projector Screen1*Set Accessories1*Use Manual

Windows Vista

Sound gain: ≥38dB±5dB

Long Work Time

Doosl Personal Sound Amplifiers, Aid Digital Personal Sound Amplifiers BTE In-Ear Assist Devices Rechargeable Personal Sound Amplifiers with Noise Consuling for Senior Adults, 2 Pcs Hair Dryer Brush for 10-15 minutes) to adapt"WHY CHOOSE US? UPDATE DESIGN 1. Digital processing chip, fine sound quality, comfortable listening. 2. Reduce noise and prevent howling, adapt to various occasions. 3. 3 different frequency modes and 4 channel for you choices, adapt to any environment. 5. The product color is close to the skin color of the human body, beautiful to wear. 6. Shell nano coating, waterproof and sweatproof. 7. Ergonomic design, small and exquisite and not easy to fall. 8.