Compatibility: Intended for/Compatible with the Following Harman Kardon Bluetooth Speaker Models: Onyx studio 3 (PLEASE NOTE: THIS REPLACEMENT BATTERY IS NOT COMPATIBLE WITH THE ONYX STUDIO 1, ONYX STUDIO 2 OR ONYX STUDIO 4 SPEAKER).
Ports Spec: 1 x VGA
1 x DVI
5 x USB 2.0
1 x 20-pin DisplayPort
1 x RJ-45 Ethernet
1 x Audio Line Out
1 x Microphone-In
1 x Dual e-Sata/USB Port
1 x E/Dock connector