Super mini size. Plug and play support.Universal USB port, can work stably for a long time.Supports simultaneous connection of multiple devices.Chip Bluetooth 5.0, low power consumption.Suitable for mobile phones, wireless Eraphone, headsets, gamepads, mice, keyboards, keyboards, printers, etc. Bluetooth device.Material: Plastic + Metalcolour: blackPackage Contents:1 x USB Bluetooth 5.0 AdapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.