Tested and Working has Bluetooth Dongle to connect all 3 devices. Each device needs their own battery. Microsoft Sculpt Ergonomic Desktop L5V-00001 – Complete Wireless Keyboard, Mouse & Numeric Keypad Set with Dongle in MousePre-owned Microsoft Sculpt Ergonomic Desktop wireless keyboard and mouse set, model L5V-00001.Included* ✅ Microsoft Sculpt Ergonomic wireless keyboard* ✅ Microsoft Sculpt ergonomic wireless mouse* ✅ Separate Microsoft Sculpt numeric keypad* ✅ Original keyboard riser/ergonomic support* ✅ Original USB wireless receiver/dongle* ✅ Original Microsoft retail boxFeatures* Ergonomic split-key keyboard design* Separate numeric keypad* Wireless 2.4 GHz connection* USB wireless receiver included* Comfortable curved ergonomic mouse* Microsoft Sculpt Ergonomic Desktop designImportant: This model uses the included Microsoft USB wireless receiver/dongle and is not Bluetooth. The included receiver is required to connect the keyboard, mouse and numeric keypad wirelessly.ConditionPre-owned. Overall condition is shown in the photos. There may be normal signs of previous use, but the original box and complete accessories are included.Please review all photos carefully for the exact cosmetic condition and included items.Model: L5V-00001Microsoft Sculpt Ergonomic Desktop