BLUETOOTH UDITO AMPLIFICATORE VOCALE REGOLABILE PER IL VOLUME DI AIUTO PERSONAL SALUTE CURA IN ITALIA

Item Type: Hearing Aid Material: Circuit board and PlasticColor: BlackInput Noise: ≤30dB Voltage: DC 1.5V Current: ≤4mAMax sound output: 130±5dBSound gain: ≥50dBTotal harmonic wave distortion: ≤5%Frequency range: 300~4000Hz Features:1. Its a BTE hearing aid good for the hearing losing people2. A good choice if you want to hear better of the world3. Can help you hear clear and loud sound when you watch movies, attend meetings or have classes. Operation instruction:1.Put the earplug on the hearing aid, you can select the appropriate size earplug better for fit in your ear2.Open the battery cartridge cover, put int the battery in correct direction3.Put the hearing aid in your ear, plug in the earplug tightly(make sure the hearing aid is power off or volumeadjuster is in the minimum position, otherwise the instant sound will make you uncomfortable4.Adjust the hearing adi body to find a comfortable position5.Turn on the hearing aid and adjust the volume to get clear sound6.If you want to use the hearing aid with ear hook, please put the ear hook to the earplug connection base,left ear hook and righ ear hook for your selection7.If you hear the whistling sound, please check if you plug in ghe earplug tightly8.If you stop using the hearing aid, please take out the battery, you save effectively energy Package Included: 1 x Hearing Aid 2 x Ear Hook3 x Earplug2 x CR Battery1 x English Manual