Frequency range(Hz) : 300-3500Hz. 1 x USB Data Cable. Size：15×10×20 mm. Equivalent Input Noise (dB): 25dB. 1 x Instruction Manual. 6 x Earbuds.
1 Pair Rechargeable Mini In Ear Itc Nano Style Hearing Device
1 Pair Rechargeable Digital Hearing Aids In-Ear Invisible Sound Voice Amplifie
1 Pair Rechargeable Hearing Aids for Seniors Adult With Smart Noise
