JH-DW4E Rechargeable RIC Digital Hearing Aid | Complete Operation Guide & OEM/Wholesale Info

The JH-DW4E is a true rechargeable RIC digital hearing aid — not an amplifier. Built with 6-channel DSP for clear speech separation, 16+ hours of use per charge, and a fully customizable OEM/ODM program for partners worldwide. *📧 B2B / OEM / Wholesale Inquiries:* service@jhhearingaids.com *🔗 Product Page:* https://www.jhhearingaids.com/jh-dw4e... --- *Why JH-DW4E is a Smart Choice for Your Business:* ✅ *True Digital Hearing Aid (Not an Amplifier):* 4-Channel DSP separates and enhances speech while managing background noise — a technology normally found in higher-end devices. ✅ *Rechargeable & Long-Lasting:* 16+ hours per charge, 64+ hours with the case. Fast Type-C charging. ✅ *Discreet & Comfortable:* Skin-toned behind-the-ear design with both open and closed eartips included (S/M/L). ✅ *One-Button Simplicity:* 6 volume levels + 4 listening modes (Normal / Restaurant / Outdoor / Music) — all controlled with a single button. Auto on/off from the charging case. ✅ *FDA-Recognized OTC Device:* Meets FDA criteria for output and noise levels. ✅ *OEM/ODM Full Support:* MOQ 1000pcs. Customizable: parameters, logo, serial number, charging case, packaging, accessories, manuals. Marketing materials and certification assistance available.