Yamaha TSX-B237 Owner's Manual page 44

Specifications
Yamaha Eco-Label is a mark that certifies products of high environmental
performance.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth
SIG, Inc. and any use of such marks by Yamaha Corporation is under license. Other
trademarks and trade names are those of their respective owners.
The 'Qi' symbol is a trademark of the Wireless Power Consortium.
Australia model only
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