Bluetooth & 2.4G Interface Nano USB Receiver. Others: Layout: Windows, Android, Mac, iOS. Battery: 1 AA Alkaline Battery. Battery Life: Enjoy up to 24 months of battery life. Receiver: Nano USB Receive & USB Extension Cable. Compatible with: Windows, Mac, Chrome, Android, HarmonyOS. Color: Standard. Dimensions: 315mm x 155mm x 24mm. Weight: 386 g (w/ battery).