2 Pcs 1/2 inch (Diameter) Heat Shrink Tubing, 3:1 Adhesive-Lined Large Heat Wire Shrinkable Tube by MILAPEAK (4 Feet, Black & Red) 4FT (1/2", 2 Pcs) music_update_2021 Communication interface: UART/IIC

Communication interface: UART/IIC

and no need for an external sound card

it can works last for 6 hours after fully charged

71 inch long

The package contains 12 different galaxies

2 Pcs 1/2 inch (Diameter) Heat Shrink Tubing, 3:1 Adhesive-Lined Large Heat Wire Shrinkable Tube by MILAPEAK (4 Feet, Black & Red) 4FT (1/2", 2 Pcs) music_update_2021 Communication interface: UART/IIC2 Pcs 1 2 inch (Diameter) Heat Shrink Tubing, 3: 1 Adhesive Lined Large Heat Wire Shrinkable Tube by MILAPEAK (4 Feet, Black & Red) Large Sizes Large sizes high quality heat shrink tubing are perfect for electrical insulation, wire bundling, mechanical protection, cable joints and daily repairs etc.. Note: Make sure temperature of your heat gun is up to 212(Fahrenheit), then glue inside will soften and seal the connection. Good Tightness with Glue