#1
Choose the ATH-CKS50TW if long battery life, bass-forward sound, app EQ and reliable multipoint matter most. Skip it if you want pocketable cases, elite ANC, sleek design, wear detection, or...
Pros: Battery, Software/setup simplicity
Cons: Sensors, Voice assistant integration
#2
Choose the ATH-R70xa for airy, detailed open-back sound, mixing clarity, and featherweight comfort. Skip it if you need isolation, public-use headphones, strong sub-bass without EQ, or a rugged premium build.
Pros: Software/setup simplicity, Weight comfort
Cons: Travel friendliness, Sound leakage