Welcome to ours shop!This mini megaphone is rechargeable, easy to use and gives you precise amplification. You will rediscover the pleasure of listening to music, movies and TV programs and talking to others. Suitable for daily use and travel.Features:Sound amplifier amplifies sound up to 30 times. It helps you rediscover the fun of talking to other people, watching TV programs, etc.Made of high quality material, it is easy to wear and does not damage the canal hearing.The 4 adjustable amplification frequencies allow you to adjust the volume from low to high according to your needs.Comes with a charging base and a power adapter. power supply, just place it in the base to charge it. Can be used continuously for 8-10 hours after fully charged.Note: 1. For your safety, please use the original EU plug to charge these hearing aids. It is not compatible with other European sockets.2) Wipe the amplifier only with a clean, dry cloth.3) Please read the user manual before using the device.TypeHearing aidModel: JZ-1088F4Sound gain: 30; 5dBFrequency range: 100 ~ 4000HzSignal to noise ratio: 45dBBattery Capacity: 1.2VOperating current: 10mAMaterial: Silicone+ABS+MetalBlack ColorPackage size: about 15.2*11.2*3.8cm/5.98*4.41*1 .49 inchesPackage weight: about 106 grams / 3.74 ouncesPacking list:2 * hearing aids1 * Charging Base1 * Power Adapter (EU Plug)1 * User Manual100% Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.