• rsbrs02abr

  rs02a1,蓝牙5.0

• rsbrs02abri

  rs02a1，蓝牙5.0

• rsbrs02aa

  rs02a1,蓝牙5.0

• rsbrs02ai

  rs02a1,蓝牙5.0

• rf-bm-2657h1

  2657h,蓝牙5.0

• rf-bt02-rs02a1

  rs02a1,rf-bt02,ble