For iPhone 14 Clock Pattern Magnetic Lens Protection Phone Case(Black) Tag-Magnetizer Demagnetizer Tool made of aluminium alloy

made of aluminium alloy

Sensitivity: 112±1dB

Power supply mode: microphone: 1 AAA battery

but it's good for a speaker with such size

Status of telephone line test: use the transmitter only to test the status of working telephone lines

For iPhone 14 Clock Pattern Magnetic Lens Protection Phone Case(Black) Tag-Magnetizer Demagnetizer Tool made of aluminium alloy1. Precisely designed to fit your phone. 2. Adequately protect the device from normal scratches, dirt, tears and wear and tear. 3. Precise openings, all buttons and ports are easy to use. 4. With good performance and quality, it can work for a long time. 5. Magsafe magnetic design supports wireless charging and is easy to use. Note: The actual product is subject to the model number in the title, and the model number in the picture is for reference