Delivers superior comfort and a truly individual fit. Uses Conforming Material Technology? - changes shape with body heat to conform to every individual wearer. The longer you wear it the better it fits. Simplifies inventory control - a single product fits almost every wearer. Blue colour provides high visibility in detection. Detectable ring on stem and metalised cord detectable by automated equipment.
SNR: 30dB.
H: 32dB.
M: 27dB.
L: 23dB.