Internal Spring binaural
Zinc Alloy Sprague Rappaport chestpiece with one copper stem
Includes five-in-one accessory kit
Two extra pair of soft eartips

Packing: 1pc/box, 100pcs/ctn, 69X24X47cm, 13. 5kgs
Payment details:

Payment terms: L/C or T/T
Minimum order:
OEM 1500 pcs

Delivery details:
FOB Port: Shanghai
Delivery Date: 15 days

Quality approvals details: CE; ISO