The Sony WH-CH520 tick most of the boxes for an on-ear pair and in some areas punch above their price point.
An on-ear headphone with plenty of features
Sony WH-CH520 review: Attractive on-ear headphones
Sony WH-CH520: Immerse Yourself in High-Quality Audio with All-Day
Sony WH-CH520 Review
Sony WH-CH520 review: some of the best cheap headphones you can
Sony WH-CH520 Wireless Headphones review
Sony WH-CH520 Headphones Review
Leaks of Sony WH-CH720n and WH-CH520 : r/SonyHeadphones
On-Ear Headphones for the gym: Sony WH-CH520 review : r/HeyNewGadget
Over-ear headphones articles - SoundGuys
Sony WH-CH520 Review: Good Sound Quality and Long Battery Life for
On-Ear Headphones for the gym: Sony WH-CH520 review : r/HeyNewGadget
Sony WH-CH520 review: surprising audio quality for accessible