iTWire - Sony launches two new headphone models: WH-CH720N and WH-CH520

Sony WH-CH720N and Sony WH-CH520N: Flagship technologies in budget models

Press Releases Sony Asia Pacific

Sony Announces Two New Headphone Models - STG Play

Sony Announces Two New Headphone Models - STG Play

Sony Announces Two New Headphone Models - STG Play

Press Releases Sony Asia Pacific

SONY to Launch Two New Wireless Headphones in Spring 2023

Sony Announces Two New Headphone Models: The WH-CH720N Over-Ear and WH-CH520 On-Ear Wireless Headphones

The Walkman Blog: Sony WH-CH720N and WH-CH520 leak (update 2)

iTWire - Sony