Description: brand new and high quality Features: Bluetooth 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, speakers, headphones, printers, gamepads, 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. Only Bluetooth adapter, other accessory demo in the picture is not included Specifications: Item Type: Bluetooth Adapter Bluetooth Version: Bluetooth 5.0 Transmission Distance: less than and equal to 20 meters Supported Systems: for Windows XP/Vista/7/8/8.1/10 Material: Plastic+Metal Size: 5.3x23x14.5mm/0.21x0.91x0.57in Color: Black Quantity: 1 pc Note: No retail package. Transition: 1cm = 10mm = 0.39inch Please allow 0-1cm error due to manual measurement. make sure you don't mind before bidding. 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 Adapter