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Product Name | Wholesale Drum Toys COB Board Voice LED Sensor Circuit Board Recording IC Chip |
Model Number | JJ750 |
Base Material | The copper material |
Board Size | 41*30mm |
Layer | Single-deck |
Insulating Material | Organic resin |
Flame Retardant Characteristics | VO BOARD |
Processing Technology | Electrolytic foil |
Insulating Resin | Epoxy resin (EP) |
Accessories/Set | Description/Quantity |
Buzzer | Silver iron plate part, used for drum sensing. |
Red big switch | Commonly known as cat eye switch, it is used to adjust the sound scene mode. It is divided into (gear 1 is closed, gear 2 is the first mode, and gear 3 is the second mode) |
Black small switch | Commonly known as cat's eye switch, it controls the sound level : |
Horn | Paper film horn, Model number: 40 |
LED lamp | 1-5, the color is (blue, red, green, yellow and red). The color of the lamp is determined by the color of the lamp itself, which can be customized |
Conversion key | Switch sound |
Cob board model | JJ750, board size: 41 * 30MM, IC is burning IC |



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