About the warranty:This hearing aid is the latest technology, it will not have any problems, if the product has problems, you can apply for a return, we will send you a new.
This hearing-aid is safe to use, convenient and practical. It can help user hear the outside sound again, regaining confidence. Mini, lightweight and invisible, comfortable to wear. Suitable for the elderly and those people with hearing loss
1.The product looks like a BT headset, which can protect your privacy. You don't have to worry about discrimination anymore.
2.Fine quality material, safe and non-toxic.
3.Mini, lightweight and invisible, comfortable for long time wearing without pain.
4.Intelligent noise reduction and volume adjustable. It can greatly reduce noise, provide clear sound quality.
5.Suitable for the elderly and those people with hearing loss, helping hearing the outside sound again, regaining confidence.
6.Rechargeable design. Comes with a Charging-case for recharging the device anywhere and anytime.
7.Easy to operate and use.
High Frequency Average OSPL90:109dB±4dB
Frequency Response Range:400Hz-4500Hz
Equivalent Input Noise Sound Level:≤29dB+3
Total Harmonic Distortion:≤7%
Related Power Supply:≤6mA
2.charging box:1 set
4.charging cable:1 microUSB charging cable