Sennheiser EZT 3012 Notice D'emploi page 18

Further information on the recycling of theses products can be
obtained from your municipal administration, from the munic-
ipal collection points, or from your Sennheiser partner.
The separate collection of waste electrical and electronic
equipment, batteries/rechargeable batteries (if applicable)
and packagings is used to promote the reuse and recycling
and to prevent negative effects caused by e.g. potentially haz-
ardous substances contained in these products. Herewith you
make an important contribution to the protection of the envi-
ronment and public health.