ET-ER300 Detachable Acoustic Tube Earpiece — Lightweight, Hygienic & Built for Professionals
The ET-ER300 Acoustic Tube Earpiece combines a detachable air tube design with a cylindrical inline microphone and retractable coiled spring cable — delivering clear, discreet communication that's easy to carry and even easier to use.
Engineered for broad compatibility, the ET-ER300 works with a wide range of popular walkie talkies including Baofeng BF-888S, UV-5R, UV-9R Plus, Kenwood TK-2107, NX-3320, NX-320, Puxing PT558, TC-510, TC-700, and many more.
Key Features
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Detachable Acoustic Air Tube — Hygienic and replaceable hollow air tube transmits sound without electronics near your ear, reducing heat and discomfort during long shifts
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Cylindrical Inline Microphone — Slim, round mic body sits naturally on the cable for unobtrusive voice pickup close to the mouth
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Retractable Coiled Spring Cable — Extends to reach belt-mounted or shoulder-worn radios, then retracts compactly to prevent tangling
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Lightweight & Portable — Minimal weight design reduces fatigue during all-day wear; coils small for easy pocket or pouch storage
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Broad Radio Compatibility — Works with most standard-plug walkie talkies across Baofeng, Kenwood, Puxing, and TC series
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Durable Construction — Reinforced cable and connector built to withstand daily professional use in demanding environments
Compatible Radios
- Baofeng BF-888S / BF-888
- Baofeng UV-5R / UV-5RA / UV-5RE / UV-9R Plus
- Kenwood TK-2107 / NX-3320 / NX-320
- Puxing PT558
- TC-510 / TC-700
- And other standard-plug compatible walkie talkies
Ideal Use Cases
- 🏨 Hotel & Hospitality — Discreet, professional monitoring for security, concierge, and housekeeping teams
- 🏗️ Construction & Industrial — Clear radio audio on noisy job sites without removing PPE
- 🍽️ Restaurant & F&B — Hands-free, unobtrusive coordination between kitchen and floor staff
- ⛺ Camping & Outdoor Events — Lightweight monitoring for group activities and expeditions off the grid
- 🔒 Security & Events — Reliable, discreet listening for patrol and event management teams
The ET-ER300 is the smart choice for professionals who need a hygienic, lightweight, and versatile earpiece that works across multiple radio platforms — day in, day out.
