Item Type: Ear CareMaterial: medical plasticSize: 1.8*1.2cmModel Number: AST T23 4 Channels Digital Invisible Hearing AidsItem : 4 Channels Digital Invisible Hearing AidsChannels : 4 channel 8 bandsIntelligent noise reduction : 9dBFitting range : Less than 80dBHearing aid battery : A10Certification : CE FDA ISO9001Trimmer VC : YESFeatures : CIC invisible digital hearingLeft ear and right ear : differentHigh Cost Performance ratio, completly invisible CIC. Manually-controlled types are always easy and convenient.1.4Channels & 8Bands2.Intelligent Noise Reduction System(9DB)3.Automatic Feedback Compression DFS System4.Primary Wind Noise Suppression Management System5.Primary Loud Sound Block6.Multi-channel Expansion(4 Channels)7.One Program8.Automatic Gain Control-Output for Hearing Protection9.Adaptive Volume Control Among different Environments10.Ultra-low Background Noise11.Trimmer VC12.Clear Listening,Rich Middle and High Frequency Sounds
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