Product Name: Mini Pre-Programmable Hearing Aids for The Deaf, Ear Sound Amplifier for Severe Hearing Loss Model NO.: Cadenza L13 Type: Ear Type Condition: New Certification: ISO, CE Charging Mode: Charging base and Type C Item Type: Ear Care Voltage: 1.5 V Working Current: < 6.8 Ma Equivalent Input Noise: 32 dB or Less Power Supply: A13 Button Batteries Frequency Response: 400Hz - 3500Hz Origin: Guangzhou Product Description Mini Pre-programmable Hearing Aids for the Deaf,Ear Sound Amplifier for Severe Hearing LossPowerful BTE Hearing AidMulti-mode ProgramsIntelligent Noise Redu uctionEasy OperationCadenza L powerful BTE hearing aid with pristine sound, easy operation and intelligent noise reduction, it is non-programmable style. More convenient for dispenser sales, and also, more convenient for user to change volume through handy VC. Cadenza L can be sold at pharmacy shops, online shops and hearing clinics etc.Cadenza L use Zinc-Air battery 13A, with VC for volume control and push button for program switch. Suitable for mild-moderate-severe hearing loss user with conduction, sensorineural and mixed hearing loss.