Feature:
1. Can hear sound clearly
2. Ears feel comfortable
Specification:
Adult:
1.silver single membrane chest piece for adult, oxidized chest piece, the membrane is sensitive for sound collecting.
2.aluminum alloy chest piece, good sound conduction.
3.standard single PVC tubing,
Available color of PVC Y-tubing: Red, Green, Gold, Blue, Purple, Black, Pink, Grey, White, etc, PMS is available.
4.blister packaging or gift box packaging.
Child:
diameter of head: 38mm
Detailed Pictures: