HP F136 Adjustable In Ear Sound Amplifier Hearing Aid In Volume Control

100% Original Buy Brings You A Unique Yet Exclusive Product For Your Daily Needs. HP F136 is a small BTE model. The simple design make it comfortable for wearing and almost invisible. Besides, it could provide considerable output from its small body. The power saving technology make the maximal usage of the AG13 button battery possible. HP F136 can work continuously for almost 10 days by a small AG13 button battery only.Always Look Out For BLAZON DIGITAL MEDIA Id For Your Genuine And 100% Original Buy Beware Of Pirated And Low Cost Products. Features: 1.Max sound out put:130+/- 5dB. 2.Sound gain:>= 50dB. 3.Total harmonic wave distortion:<= 5%. 4.Frequency range:300-4000MHz. 5.Input Noise:<=30dB. 6.Voltage:d.c.1.5V. 7.Current:<=4mA. Package Content: 1 x HP F136 BTE Hearing Aid. 2 x LR44 1.5v Battery. 6 x earplugs. 1 x Manual.