These stylish amplifiers not only boost volume but can also improve the sound quality of your phone’s built-in speaker. Project #2412 • Skill Level: Beginner • Time: 2 Days • Cost: $5 Plastic smartphone amplifiers can be had for about …
Smartphone Amplifier
These stylish amplifiers not only boost volume but can also improve the sound quality of your phone’s built-in speaker. Project #2412 • Skill Level: Beginner • Time: 2 Days • Cost: $5 Plastic smartphone amplifiers can be had for about …