ITE hearing aid JH-A39

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Short description
JINGHAO JH-A39 are in-the-ear (ITE) rechargeable hearing aids that combine a discreet earbud-style design with amplified sound suitable for users with mild to severe hearing loss. Units include replaceable ear tips and a magnetic recharging case for portable charging.

Key benefits

• Discrete ITE form factor resembling wireless earbuds for social comfort and concealment.
• Rechargeable batteries with magnetic contacts and a compact charging case for convenient recharging.
• Speech amplification and ambient noise reduction to improve conversational clarity.
• Multiple ear tip sizes for a personalized, stable fit.

Features

• Amplified sound function designed for users with hearing impairment across mild to severe ranges.
• Visible indicator light and large control button for intuitive operation.
• Magnetic contact charging and portable recharging case for on‑the‑go use.
• Noise reduction capability and lightweight design (~0.13 oz per unit).

How to operate

• Press and hold the button up to 3 seconds to turn on (single beep confirms power on).
• Short press to adjust volume across 6 levels; each step emits a beep; three beeps indicate maximum volume.
• Press and hold up to 3 seconds to turn off (two beeps confirm power off).

Package contents

• 2 x hearing aids (left / right)
• 1 x recharging case
• 1 x USB cable
• 6 x ear tips (S / M / L)
• 1 x user manual

Notes

• Fully charge the aids before first use; indicator shows blue while charging and white when fully charged.
• Typical charging time: 90 minutes.
• Typical operating time: approximately 12–16 hours depending on usage and volume settings.

Technical specifications

• Model: JH-A39
• Brand: JINGHAO
• Color: Black, White
• Frequency range: 400–4000 Hz
• Equivalent input noise: ≤ 35 dB (29 dB ±3 dB noted in some tests)
• Max OSPL90: ≤120 ±3 dB and ≤113 ±3 dB (values referenced)
• Average OSPL90: ≤109 dB ±4 dB
• Total harmonic distortion (THD): ≤10% and ≤7% (values referenced)
• Reference test gain: 23 dB ±5 dB
• Hearing aid charging voltage: 4.2 V
• Charging case working voltage: 3.7 V
• Battery: built‑in lithium rechargeable
• Suggested hearing loss range: mild to severe (Moderate, Severe listed)
• Package type: color box
• Certifications: CE, RoHS, ISO13485 (Medical CE), Free Sale (CFS)
• Weight: approx. 0.13 oz per headset