Features: brand new and high quality 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 for 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! Package Includes: 1 x Bluetooth-compatible Adapter Specifications: Item Type: Bluetooth-compatible Adapter Bluetooth-compatible Version: 5.0 Transmission Distance: less than and equal to 20 meters Support Systems: for Windows XP/Vista/7/8/8.1/10 Material: Plastic+Metal Color: Black Quantity: 1PC note: No retail package. Please 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!