3Pcs MAX7219 Dot Matrix Module 4 in 1 Integrated Display Module 4 Dot Matrix Display Module SCM Control Drive Module Driver LED Module Electronic Components 5V 4*1 sold2024 Retevis Acoustic Tube Listen Only

Retevis Acoustic Tube Listen Only Earpiece The distance from the clip part to the coil tube is 9

Wood Color

wireless control distance up to 10m

these dance socks over shoes are available to make you stop sticking

You can hide some emergency contact papers

3Pcs MAX7219 Dot Matrix Module 4 in 1 Integrated Display Module 4 Dot Matrix Display Module SCM Control Drive Module Driver LED Module Electronic Components 5V 4*1 sold2024 Retevis Acoustic Tube Listen Only3Pcs MAX7219 Dot Matrix Module 4 in 1 Integrated Display Module 4 Dot Matrix Display Module SCM Control Drive Module Driver LED Module Electronic Components 5V Product parameter Operating voltage: 5V Specification size: 13cmX3. 2cmX1. 3cm (long X width X height) With 32 fixing screw holes, aperture 3mm A single module can drive an 88 dot matrix common cathode A module has input output interfaces Instructions When controlling a single module, you only