sg188Step 1: Refer to the following link and Enter Pairing Mode on the SG188. how to get SG188 into pairing mode. Step 2: ConnectPair the Headphone to Bluetooth on Your Device.SG188 User Manual Download; Bluetooth 5.1 Sunglasses with Polarized Lenses, UV400, aptX HD Speaker - How to Use SG188; SG188 Overview - Buttons &