About BELIN BELIN,founded in 2010, has its own R&D team, production team and sales team and has always been quality-oriented in order to ensure 100% customer satisfaction. Each product has to pass strict quality inspection before sending out. The compact design of this BELIN adapter converter makes it easy for being prepared for any meeting, presentation, or event with the full confidence that you have the right connections. SeriesProduct Specification: Input:Mini DisplayPort 1.1a,v1.2, Thunderbolt1/2 (Not compatible with Thunderbolt 3 (USB-C) ports ) Output:HDMI and DVI port 4Kx2K@30Hz Female, Compliant to HDMI 1.4a specification up to 3.0Gbps VGA:1920x1080@60Hz Female, effectively working with all types of legacy monitors, projectors, and TVs? Our Advantages - This adapter is built with the market top chipmaker PARADE and ANALOGIX chips, compatible with Mini DP, Thunderbolt1/2 (Not compatible with Thunderbolt 3 (USB-C) ports ) - The cable uses multi-layer shielding, the international large version chip manufacturer cooperates, four layer PCB design, better reduces the external electromagnetic interference and guarantees the product to be more durable. - This 3 in 1 mini DP Adapter can replace three others, that saves your cost and space. This compact converter is an ideal solution for use in many work spaces that may utilize assorted displays with varying inputs in multiple rooms. Important Notes ?The refresh frequency (23-60hz) and resolution may need to be adjusted according to the actual situation due to some compatibility problems between input and output cable used for connection. ?You can only use one interface at a time, not both.5. ?Quality Assurance?Our products will provide you with a 18 Months quality assurance and experienced technical support team. Even if the after-sales window closes, you can still get after-sales and support through belinlink.If you have any questions or concerns about this product, please do not hesitate to contact us. ?SIMPLE INSTALLATION? Set-up is easy. Simply connect a display connector to the BILIN LINK thunderbolt adapter, and then plug the Thunderbolt port into your Mac or PC. Just Plug and play and you don't need to install any drivers. Supports Mirroring and Extended Desktop Modes. ?ENJOY GREAT DISPLAY? HDMI port support displays up to 3840x2160@30Hz (4K). Please use a HDMI 2.0 cable in order to enjoy the 4K resolution.VGA and DVI port support displays up to 1920*1200@60Hz,Therefore, mini displayport adapter is ideal for your office, home entertainment display, conference rooms, trade shows, and more. ?CLEAR VISION&VIVID VOICE? HDMI port outputs audio and video synchronously. You do not need to install audio cable to mini displayport to HDMI adapter , but to enjoy clear vision of every scene and stereo voice with every tone. ?3 IN 1 MUTIFUNTION? The rhombus shape mini displayport to VGA adapter ,designed with multiple ports, workable for HDMI, DVI and VGA. this 3 in 1 video adapter also comes with gold-plated thunderbolt port , supporting HDMI/DVI/VGA displays which provide Stronger anti-interference ability.