Comparison
FreeBuds 4 vs EAH-AZ40M2
Earbud battery life
4 h
5.5 h
Total battery life
22 h
18 h
Weight / earbud
4.1 g
5 g
Launch price
149 $
149 $
Noise cancellation
Yes
Yes
Certification
IPX4
IPX4
Bluetooth
5.2
5.3
USB-C
Yes
Yes
Multipoint
Yes
Yes
Codecs
SBC, AAC
SBC, AAC, LDAC