Audio-Service BTE hearing aids

MAX SOUND OUTPUT: 125±3DB SOUND GAIN: >35±5DB TOTAL HARMONIC WAVE DISTORTION:3% FREQUENCY RANGE: 200-S000HZ INPUT NOISE: <30DB VOLTAGE: DG.1.AV CURRENT: 3MA BATTERY SIZE: A312 FEATURES: Frequency can be control by N and H, ...

●No blocking ears ●High fidelity Audio ●Patented design for natural hearing ●Bluetooth Connection ●4 compensation modes ●9 volume levels