Apple 180 用户手册
![Apple](https://files.manualsbrain.com/attachments/2c022a7d1a76dcd8f02c04aa8d97faf41b63902f/common/fit/150/50/8a691e9df6162751590e2cef93a951cf3a39c94b6949421016232655b22d/brand_logo.png)
Specifications
I/O Devices - 7
I/O Devices
Keyboard
Built-in keyboard with standard Macintosh layout
63 keys domestic; 64 keys ISO
Two-level tilt adjustment
Trackball
30 mm diameter, dual button
ADB interface
Microphone
Electret, omnidirectional
Output voltage of 4 mV, peak to peak