Description:OOTDTY  brand new and high qualityFeatures:Bluetooth-compatible 5.0 technology, 0-20 meters wireless transmission distance, high sensitivity and no delay.The latest interconnection protocol, more stable and reliable transmission.Applicable products: Bluetooth-compatible mouse, keyboard, speaker, earphone, printer, gamepad, mobile phones, tablets, etc.It can support for Windows XP/Vista/7/8/8.1/10 systems.Plug and play, no other drivers needed.Attention: Please reduce the obstacle between the adapter and your device, otherwise it will affect the distance and effect of the connection.Bluetooth-compatible Adapter only, other accessories demo in the picture is not included!Specifications:Item Type: Bluetooth-compatible AdapterBluetooth-compatible Version: Bluetooth-compatible 5.0Transmission Distance: less than and equal to 20 metersSupport Systems: for Windows XP/Vista/7/8/8.1/10Material: Plastic+MetalSize: 5.3x23x14.5mm/0.21x0.91x0.57inColor: BlackQuantity: 1 PcNote:No retail package.Transition: 1cm=10mm=0.39inchPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Includes:1 x Bluetooth-compatible Adapter