Comparison
EAH-AZ40 vs EAH-AZ70W
Earbud battery life
7.5 h
6.5 h
Total battery life
25 h
19 h
Weight / earbud
5 g
7 g
Launch price
129 $
279 $
Noise cancellation
No
Yes
Certification
IPX4
IPX4
Bluetooth
5.2
5.0
USB-C
Yes
Yes
Multipoint
Yes
No
Codecs
SBC, AAC
SBC, AAC