240mAh 533-000071, AHB521630, 1110 Battery Replacement for Logitech H600 Wireless Headset (981-000341) Replacement for the following battery model/part numbers: 1110, 533-000071, AHB521630. Compatible with the following models: Logitech H600 Wireless Headset (981-000341). ATTENTION: THERE ARE TWO GENERATIONS OF H600 HEADSETS PRODUCED WITH DIFFERENT BATTERY CONNECTORS. PLEASE CHECK THE CONNECTOR IN THE LISTING IMAGE AND MATCH IT TO YOUR CONNECTOR TO ENSURE THAT THIS IS THE CORRECT REPLACEMENT BATTERY FOR YOUR H600 HEADSET. 3.7V 240mAh 0.89Wh Lithium-Polymer Rechargeable Battery Pack. 1 Year Replacement Warranty. MPF Products is a Registered Trademark.