Features: Comes with rechargeable function, no need to change batteryCombines a cosmetically appealing look with the smooth sound an internal speakerChannel digital sound processing allows the user to control volume and programsFilter out unwanted noise caused by airflow or wind Deliver direct, powerful, and smooth sound right into your earMoisture resistant provides durability to most forms of moisture and wearSeparate wire and headphone, more convenient and safetyProvide improved technology for reduced electromagnetic interferenceSuitable for severe hearing loss peopleSmaller than a credit card, discreet enough to fit easily in your pocket or handbag Specifications: Model: K-88 Maximum Saturation Sound Pressure: 125dB ± 4dB Harmonic Distortion: ≤10% Frequency Response: 4503500Hz Equivalent Input Noise: ≤ 30dB Battery Type: Nickel Metal Hydride BatteryBattery : DC 1.2V (NOT INCLUDED) Operating Current: ≤ 2mA Hearing Aid Color: Khaki Hearing Aid Size: 1.8 x 1.4 x 2cm Net weight: 115g Package Included: 1 x Hearing Aid 1 x Charger (EU plug ) 4 x Earplugs 1 x Adjustable stripe 1 x carry bag