CH32V208WBU6-I — WCH
RISC-V BLE 5.3 MCU, 144MHz, 128KB flash, QFN68, industrial range -40..+85C

Category: MCU

Pricing
  LCSC         $1.42
  Mouser       $1.68
  DigiKey      $1.71
  Farnell      $1.97

Manufacturer: https://www.wch.cn