- Excellent acoustics with better high-frequency sound performance (adult side, firm pressure)
- Dual-frequency diaphragm: Hold the bell lightly to hear low-frequency sounds - Press a little harder to hear higher-frequency sounds
- Dual lumen tubing: Two sound paths in one tube eliminate the friction noise of traditional double tubes
- Next-generation elastic tubing: greater durability and stain resistance
- Not made with natural rubber latex or phthalate plasticizers
- Easily adjustable headset for comfortable and personalized fit: Metal parts of the headset align with the ear sources
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Stock 5 pieces