Features: The wireless speaker chargers provides strong protect. Good anti-interference performance and high reliability. High working efficiency. Low operating temperature and long service life. 100-240V input ranges, meeting global usage standards. Good insulation performance and high dielectric strength.With short circuit, over load, overvoltage protect functions. Specifications: Material:ABS Color:Black Input:100-240V; Option Type:Speaker Power Adapter with US-Plug;Speaker Power Adapter with EU-Plug;Speaker Power Adapter with UK-Plug; Suitable for Harman Onyx Studio7 :HKOS7BLKAM;Onyx Studio 6;HKOS6BLKAM;HKOSBLUAM;HKOS6;HKOS6GKYAM;HKONYXS2BLKJK;Onyx Studio 5:HKOS5BLKAM;HKOS5BLUAM;HKOS5GRYAM;Onyx Studio 4:HKOS4BLKAM;HKOS4BLUAM;HKOS4WHTAM; HKOS4BLKBSG; HKOS4BLKEU;HKOS4WHTBSG; HKOS4BLUBSG;Onyx Studio 3:ONYXSTUDIO3R;HKONYXSTUDIO3BLKUS;ONYXSTUDIO3REDG1;ONYXSTUDIO3K;ONYXSTUDIO3BLUEG1; HKONYXSTUDIO3BLKAM;Onyx Studio 2:ONYXSTUDIO2BLKUS;Onyx Studio 1:HKONYXSTUDIOG1;HKONYXSTUDIOJN; Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xPower Adapter When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please dont hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it