Specification:
Size of chest piece: D 48MM
Size of chest piece: D 48MM
Size of bell:D 38MM
Height of chest piece: H 31MM
Length of binaural plus tubing: L 650MM
Feature:
Silver single head chestpiece with power-coating,
Considerate anti-chill ring design.
Connecting spring is embbed,ear tip is special designed for suiting the ear structure.Z
Zinc alloy chestpiece with power-coating,excellent sound conduction,little acoustic.