Packaging Details
Single Commercial Packing: 500 pcs with Brand and Logo Printing
Bulk Packaging: Poly bag /pc x 20pcs/carton,
Base on 5V power bank USB port, for 7.4V polymer or 18650 battery with UN38.3,
MSDS ..certificates and charger with FCC, CE,...certificates (optional).
Far infrared layer (optional)
