Mini Digital Hearing Aid Sound Amplifier Noise Reduction USB Rechargeable In-ear Earphone Wirele Ear Aids for Elderly * This hearing aid can be used in both ears. >> Features: 1. This rechargeable mini digital hearing aid has a stylish and beautiful look, which can be used as an ear ornament. 2. Our hearing aids are compact and exquisite, lightweight and portable, convenient for you to carry anywhere. 3. The hearing aid has a digital chip and intelligent noise reduction function, which can improve sound clarity and fluency. 4. Our hearing aid provides two pitches, suitable for noisy and general environments. 5. This hearing aid can help people with hearing lo to solve hearing problems, so that they do not encounter hearing impairment in daily life. 6. This product offers long-lasting standby time, and its working time is about 28 hours with 6-hour charging time. You can say goodbye to frequent charging. >> Specifications: Material: ABS Color: silver, blue Size: 4.3*1.65*1.13cm Weight: 0.008kg/0.075kg Packing size: 13.5x7.5x2.5cm Max sound out put: 129+/- 3dB Sound gain: >= 40dB+/- 5dB Total harmonic wave distortion: > Packing Included: 1* Mini Hearing Aid 4* Earplug 1* Brush 1* USB Charging Cable 1* User Manual