Features: Wireless speaker charger provides strong protection. Good anti-interference performance and high reliability. High working efficiency. Low operating temperature and long service life. 100-240V input range, meets global usage standards. Good insulation performance and high dielectric strength. It has short circuit, overload, and overvoltage protection 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 Studio 7: HKOS7BLKAM; Onyx Studio 6; HKOS6BLKAM; HKOSBLUAM; HKOS6; HKOS6GKYAM; HKONYXS2BLKJK; Onyx Studio 5: HKOS5BLKAM; HKOS5BLUAM; HKOS5GRYAM; Onyx Studio 4: HKOS4BLKAM; HKOS4BLUAM; HKOS4WHTAM; 4WHTBSG; HKOS4BLUBSG; Onyx Studio 3: ONYXSTUDIO3R; HKONYXSTUDIO3BLKUS; ONYXSTUDIO3Redg1; ONYXSTUDIO3K; ONYXSTUDIO3BLUEG1; HKONYXSTUDIO3BLKAM; ONYXSTUDIO2BLKUS; ONYX Studio 1: H KonyxStudiog1; HKONYXSTUDIOJN; Note: Due to manual measurement, please allow an error of 1-2 cm, please make sure you do not mind before ordering. Due to differences between monitors, the pictures may not reflect the actual color of the item. Package includes: 1 x Power Adapter