Sound Amplifier Noise Reduction Box Type Hearing Aid Hearing Amplifier Accessory

specification: _x000D_Item Type: Hearing Aids_x000D_Material: Plastic_x000D_Host Size: Approx. 6.5 x 3.7 x 1.3cm / 2.6 x 1.5 x 0.5in_x000D_Scope of Application: Applicable to hearing impaired people_x000D_High Frequency Mean Value: 1284dB_x000D_Full Range Sound Gain (hf average gain) : 665dB_x000D_Total Harmonic Distortion: 3+3%_x000D_Equivalent Input Noise: 25+3dB_x000D_Frequency Response Range: 300--4200KHz_x000D_Rated Current Consumption: 6mA_x000D_Power Supply: Lithium battery_x000D_Battery Capacity: 200mAh_x000D__x000D_Usage:_x000D_1. Select a suitable earplug and insert it into the receiver_x000D_2. Insert the receiver wire into the receiver (pay attention to the size of the two holes on the receiver)_x000D_Plug the receiver cable into the USB port on the hearing aid_x000D_4. Place a receiver with earplugs in the ear_x000D__x000D_Notes:_x000D_1. Power on: push the "on" key upward, and the delay of the "on" will be 3 seconds. Make sure that the sound adjustment is in the minimum state when starting to use_x000D_2. Power off: turn down the on key and turn it off when you do not use the hearing aid_x000D_3. High volume will cause injuries. Please make sure that the volume control button is in an appropriate position before turning on_x000D_4. Adjust the volume by moving slowly until it reaches the most appropriate volume Features: 1With high frequency pitch reduction, low frequency pitch control and output adjustment, the final output sound best suits the needs of each hearing impaired person. 2The product has two modes of normal and noise reduction, one?key switch to adapt to different environments. 3The operation is simple and convenient, one key switch, also convenient to use even for the elderly. 4Rechargeable lithium batteries, large capacity, long working hours, no need for frequently replacing batteries. 5The range of testing is 120DBHL, suitable for moderate to severe hearing loss. 6The size of the hearing aid host machine is 653713mm, which makes it easy to receive and carry. 7External audio interface, convenient audio input, separate volume adjustable. 8Intelligent noise reduction, automatically adjust the sound to the comfortable range, so as to protect the hearing and sound more real and delicate. PackageList: 1 x Receiver1 x Host3 x Earplugs1 x Hanging Rope1 x Manual1 x Screwdriver1 x USB Cable