The iPad has

The iPad has two internal speakers reproducing left and right channel audio located on the bottom-right of the unit. In the original iPad, the speakers push sound through two small sealed channels leading to the three audio ports carved into the device,^[11] while the iPad 2 has its speakers behind a single grill.^[9] A volume switch is on the right side of the unit. A 3.5-mm TRRS connector audio-out jack on the top-left corner of the device provides stereo sound for headphones with or without microphones and/or volume controls. The iPad also contains a microphone that can be used for voice recording.
The built-in Bluetooth 2.1 + EDR interface allows wireless headphones and keyboards to be used with the iPad.^[62] However iOS does not currently support file transfer via Bluetooth.^[63]iPad also features 1024×768 VGA video output for limited applications,^[64] screen capture,^[65] connecting an external display or television through an accessory adapter.