Features: The wireless speaker charger provides strong protection. Offers good anti-interference performance and high reliability. High working efficiency with low operating temperature and long service life. Input range of 100-240V meets global usage standards. Features good insulation performance and high dielectric strength. Includes protection against short circuit, overload, and overvoltage. 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 Compatible with Harman Onyx Studio 7: HKOS7BLKAM Onyx Studio 6: HKOS6BLKAM, HKOS6BLUAM, 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 1-2 cm error due to manual measurement. Ensure you are comfortable with this before ordering. Due to differences between monitors, the image may not reflect the actual color of the item. Package Includes: 1 x Power Adapter