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).
Compatibility: Intended for/Compatible with the Following Bluetooth Speaker Models: Harman Kardon Go Play, Harman Kardon Go Play Mini, GO+Play, GO+Play Mini.