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Specific wall textured Design
Conical Stucture Design
various nozzle colatewcy to indicate different size
Flange for extra seal to make sound clearer

Special Wall textureDesign.
Pressure ReleaseGriping System.
The unique pattern designed on the eartipsserves a dual purpose: efficient pressurerelease and a secure,comfortable fit for
extended listening

Conical Structure Design.
Unlike the previous two versions, the NarrowBore version features a completely newinternal structure with a conical design. Afterrepeated testing and modifications, thisstructure complements the Narrow Bore'scharacteristics,and adjustments to thehardness and length of the tube ensure theprecise path of sound waves at the speed ofsound.Besides the internal structure, theNarrow Bore version also has a differentappearance from the previous two versions,designed with a double flange-like shape fordeep insertion.

Medical grade
The diameter of the bore or the hole plays acrucial role in sound balance and perfor-mance. During the development process, weconducted analysis,experiments, and teststo achieve the ideal sound target effect.While maintaining sound clarity, the NarrowBore version enhances the low-frequencyqualityand reduces
Hypoallergic Material.
NOT onlyabout sound, but user experi-ence as well.Tang Sancai uses medicalgrade silicon to minimized the chance ofany kinds of allergy.

Soft touch.
bliss in your ears you'llrget that its even there.
Optimized coreDesign.
Now designed with shorter coreto optimize clarity and respensivonessof sound, but still retaining the thick corefor resistance of transoimation aswell as increased durabllity.

