https://www.cnx-software.com/2023/05/07/the-worlds-smallest-bluetooth-soc-inplay-nanobeacon-soc-in100-in-2-0x1-1mm-wlcsp-package/
The world's smallest Bluetooth SoC: InPlay NanoBeacon SoC IN100 in 2.0x1.1mm WLCSP package - CNX...
May 7, 2023 - InPlay has just announced a Wafer Level Chip Scale Package (WLCSP) for its NanoBeacon SoC IN100, making it the world's smallest Bluetooth System-on-a-Chip
https://www.renesas.com/en/package/wck
WCK (WLCSP-BP 4) | Renesas
wckwlcspbp4renesas
https://hackaday.com/tag/wlcsp/
Wlcsp | Hackaday
wlcsphackaday
https://www.qualcomm.com/audio/products/qcc30xx-series/qcc3046
QCC3046 | Mid-Level TrueWireless Bluetooth Audio WLCSP | Qualcomm
QCC3046 is a low-power Bluetooth WLCSP SoC for entry- and mid-level wireless earbuds. Review chipset specs, find development tools, and more.
mid levelbluetooth audiotruewirelesswlcspqualcomm