Teachers Pointer Stick, Telescopic Teaching Pointer, Retractable Classroom Whiteboard Pointer Extendable for Teachers, Guides, Coach with A Lanyard & Felt Head, Extends to 39.4'' Black sold2024 RJ11 Coupler

RJ11 Coupler

Mobile phone audio and so on

it pumps out sound while keeping vibration to minimum

The output terminal can be directly connected to the single-chip microcomputer

Teachers Pointer Stick, Telescopic Teaching Pointer, Retractable Classroom Whiteboard Pointer Extendable for Teachers, Guides, Coach with A Lanyard & Felt Head, Extends to 39.4'' Black sold2024 RJ11 CouplerTeachers Pointer Stick, Telescopic Teaching Pointer, Retractable Classroom Whiteboard Pointer Extendable for Teachers, Guides, Coach with A Lanyard & Felt Head, Extends to 39. 4'' Features: Color: Black Material: Stainless steel & Sponge. Constriction length: approx. 8. 2''. Extension length: approx. 39. 3'' Handle length: approx. 4. 9''. Strap Length: approx. 7. 6''. 2 Replaceable felt heads. Durable, extendable, retractable. Suitable for traditional