Treedix Magnetic Helping Hands Soldering 4 PCB Circuit Board Holder and Flexible Helping Arms for Electronic Repair Hobby Craft Cell Phone Motherboard Clamp Fixture Repair Tool New 1*Rigister Card

1*Rigister Card

5 x MIC Sound Sensor Module

and nickel-cadmium batteries

1 x Voltage detection module

· Same size as Raspberry Pi and can be directly inserted into Raspberry Pi 4

Treedix Magnetic Helping Hands Soldering 4 PCB Circuit Board Holder and Flexible Helping Arms for Electronic Repair Hobby Craft Cell Phone Motherboard Clamp Fixture Repair Tool New 1*Rigister CardHelping Hands Soldering with 3X Magnifier With maintenance auxiliary magnifying glass, rotating and moving, strong flexible arm and strong magnetic PCB support, no cumbersome assembly, easy to start work Magnetic Flexible Arms 3 adjustable and adjustable metal gooseneck arms with strong magnetic base, which has a strong attraction to the base. 4 magnetic pillar brackets Each with 1kg of magnetic force, can make the fixture more stable, support