Features:-Compatible 5.0: Applies the -compatible 5.0 adapter,-compatiblelow energy. The built-in chip gives high sensitivity, fast transmiion and stable connection with devices. It can low energy consumption,stable reception and wide compatibility.Connect to-CompatibleEnabled Devices: Makes non--compatiblePC and laptops-compatible-capable. Turning your PC-compatibleenabled and could transmit file to your phone or-compatibleprinter. And you also could send the file on your phone to the PC .Multi Device Expansion: Supports-compatiblespeakers, headphones, headsets, keyboards, mice, Mobile Phone,Laptop,and more. Can work with-compatibleprinter and stereo headphone.Unobstructed Range: It offers fast, stable and interference-resistant connection, with a unobstructed transmiion.Fast Connection Once Paired: Once it has been paired with a device, it will connect to that device quickly and automatically time.Specifications:Type: Drive, Drive FreeMaterial: Plastic, MetalSize(L*W*H): AboutDrive: 30x17x6mm/1.18x0.67x0.24inchDrive Free: 23x14.5x5.3mm/0.91x0.57x0.21inchVersion:-Compatible5.0Package Included:1pc x USB AdapterNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.