I have upgraded my WF-C500 to the WF-C700n! : r/SonyHeadphones

Sony Headphones Connect App for Bluetooth Headphones

Bundle Includes: Sony WF-C500 truly wireless in-ear bluetooth headphones (Black) and earphone case Natural Sounding Music: Digital Sound Enhancement

Sony WF-C500 Truly Wireless in-Ear Bluetooth Earbud Headphones (Black) Bundle with Earbud Case (2 Items)

I test headphones and these 5 wireless earbuds have the best battery life

Ear Tips for the Sony WF-1000xm5, the hottest new wireless earbuds on the market compatible with Comply Foam ear tips. Experience enhanced audio quality and a custom, more comfortable fit with the Sony WF-1000XM5 ear tips from Comply. Enhance your listening experience with XM5 ear tips that provide all-day comfort, a secure-fit and an noise isolation.

Comply Truegrip Pro Memory Foam Replacement Earbud Tips for Sony True Wireless Earphones Wf-1000xm4, Wf-1000xm3, WF-XB700 - Comfortable Memory Foam

Sony WF-C700N review - SoundGuys

Sony WF C700N VS Sony WF C500

Trade in Sony WF-1000XM5 Sell your Headphone in Sydney

The remaining battery charges of the left and right WF-1000XM4 earbuds are significantly different.

WF-C500 earbuds: Where do I find the settings to change my button functions? : r/sony

Sony WF-SP800N vs. WF-1000XM3: Which Sony ANC Earbuds Should You Buy?