QOFOWIN H222 USB to Bluetooth Adapter User Manual
QOFOWIN H222 USB to Bluetooth Adapter SPECIFICATION Brand QOFOWIN Connectivity Technology Bluetooth Power Source usb Material Plastic Product Dimensions 2.2"L x 0.8"W x 0.4"H About this item Transmission]】: The transmission rate is 3 (Mbps), and the longest transmission distance is…