Features:
【Rechargeable Function】 This Hearing Amplifier Has a Built In Rechargeable Battery, You Will No Longer Need To Buy And Change Batteries.
【Noise Canceling】 With a Built In Digital Noise Reduction Chip, This Amplifier Offers Better Clarity For Both TV and Conversations.
【Adjustable Amplify Mode】 4 Different Amplify Frequency Adjustable.
【Easy To Use】 Easy to Operate For Seniors.
【Comfortable to Wear】 Light Weight Design Comfortable to Wear Behind The Ear All Day Long.
Specifications:
1.Max sound output:118±4dB
2.Sound gain: ≥32dB±2dB
3.Total harmonic wave distortion: ≤7%
4.Frequency range:300-3800MHz
5.Input Noise: ≤32dB
6.Voltage: d.c.3.7V
7.Current: ≤2mA
8. Full charging about 3 hours
9. Normal working about 45 hours
Packaging list:
1 x Host
4 x Earplugs
1 x Brush
1 x Anti vibration box
1 x USB charging cable
1 x English instruction manual