Comes with rechargeable function so no need to change battery

Combines a cosmetically appealing look with the smooth sound an internal speaker

Channel digital sound processing allows the user to control volume and programs

Filter out unwanted noise caused by airflow or wind Deliver direct, powerful, and smooth sound right into your ear

Moisture resistant provides durability to most forms of moisture and wear

Separate wire and headphone, more convenient and safety

Provide improved technology for reduced electromagnetic interference

Suitable for severe hearing loss people

Smaller than a credit card, discreet enough to fit easily in your pocket or handbag

No prescription needed

Specification:

Maximum Saturation Sound Pressure: 129dB ± 4dB

Maximum File Acoustic Gain: 48dB ± 5dB

Harmonic Distortion: ≤18%(450≤F≤5000)

Frequency Response: 450-3000Hz

Equivalent Input Noise: ≤ 30dB

Battery Type: Nickel Metal Hydride Battery

Operating Voltage: 0.2±0.1V

Operating Current: ≤ 4mA

Colour: Beige

Size: 1.8 x 1.4 x 1.6cm / 0.7 x 0.5 x 0.6in