Sennheiser CX 400BT True Wireless CX400TW1 vs Sony h.ear in 3 Truly Wireless WF-H800

What CX 400BT True Wireless CX400TW1 does better (2) and where h.ear in 3 Truly Wireless WF-H800 wins (2) — every spec side by side.

2 advantages≈ $110

2 advantages≈ $120

5.0Battery6.2

Why is CX 400BT True Wireless CX400TW1 better than h.ear in 3 Truly Wireless WF-H800?

Specifications

Only differences	Sennheiser CX 400BT True Wireless CX400TW1≈ $110	Sony h.ear in 3 Truly Wireless WF-H800≈ $120
Sound
Fit	In-ear	In-ear
Ear cup design	Closed-back	Closed-back
Driver type	Dynamic	Dynamic
Driver size	7 mm	6 mm
Lowest frequency	5 Hz	—
Highest frequency	21,000 Hz	—
Sensitivity	107 dB	—
Adjustable equaliser	Yes	Yes
Battery & charging
Battery life	7 h	8 h
Charging time	1.5 h	1.5 h
Connectivity
Wireless	Yes	Yes
Bluetooth version	5.1	5
Bluetooth codecs	aptX, AAC, SBC	AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)	No	No
aptX	Yes	No
LDAC	No	No
NFC pairing	—	Yes
USB-C	Yes	Yes
Design & build
Earbud weight (each)	12 g	7.6 g
Features
Hands-free calls	Yes	Yes