Earphone jackUSB Type-C connectorHeadsetTemplesLens Nose padAmbient light sensorSensorsShadeClipDedicated controller(Intelligent Controller BO-IC400)*The Intelligent Controller BO-IC400is supplied with the BT-40S. For moreinformation about the BO-IC400, seethe “BO-IC400 User's Guide”.SD card slot pinUSB cable BO-IC400 User's GuideUser's Guide (this document) Safety Instructions© 2020 Seiko Epson Corporation414016900 EN 2020.07Please read this guide first. Also, make sure you read the “Safety Instructions” sheetsupplied before using this product.See the following website for additional information:https://tech.moverio.epson.com/en/User's GuideIncluded Items and Headset Part NamesThis product is only for use with USB Type-C DisplayPort Alternate Mode.Optional ItemsThe following optional items are available. These optional items are available as of July 2020. Availability and part numbers vary by region and aresubject to change without notice.• Intelligent Controller BO-IC400*• Shade Pack BO-SP400• Nose Pad Pack BO-NP350• Nose Pad Pack BO-NP300*Supplied with the BT-40S.• This product is powered using the battery in your smart device or the Intelligent Controller (hereinafter, these are collectively referred to as the "connecteddevice"). While using the product, keep an eye on the battery level of your connected device.• The BT-40 does not come with an Intelligent Controller. You need to provide a smart device that supports USB Type-C DisplayPort Alternate Mode.