- Buzzers (11)
- Microphones (11)
- BL(Dongguan Bolin Elec) BL-PBZ09042C2703YB
- BL(Dongguan Bolin Elec) BL-PBZ9605C2703RB
- BL(Dongguan Bolin Elec) BL-PBZ12065C2005YB
- BL(Dongguan Bolin Elec) BL-PBZ1209C2003YB-H
- BL(Dongguan Bolin Elec) BL-PBZ1209C2005YB-H
- BL(Dongguan Bolin Elec) BL-PBZ1209C2405YB
- BL(Dongguan Bolin Elec) BL-PBZ12065C2705RA
- BL(Dongguan Bolin Elec) BL-MP6050P-32DB
- BL(Dongguan Bolin Elec) BL-MP6050P-34DB
- BL(Dongguan Bolin Elec) BL-MP6050P-44DB