ELECOM Wireless Trackball Mouse USB & Bluetooth with Carrying PouchThank you for visiting my page!This is a compact wireless trackball mouse compatible with both USB 2.4GHz wireless and Bluetooth connections.Includes a convenient carrying pouch for easy portability.SpecificationsConnection Type: USB 2.4GHz Wireless / Bluetooth WirelessConnector: USB-A PlugBluetooth Standard: Bluetooth Low EnergyTracking Method: IR LEDSensor Resolution: 750 DPIButtons: 5 buttons (including wheel button)Wheel: 1Ball Size: Approx. 25mm diameterSupport Ball Material: Artificial RubyWireless Range: Up to approx. 10m (depending on environment)Device Switching: SupportedUSB wireless ×1 deviceBluetooth ×1 deviceFeaturesCompact mobile trackball with professional functionalityThumb-operated design similar to a standard mouse for comfortable useSupports both:Bluetooth connection2.4GHz wireless connectionEasily switch between 2 devicesSilent click switches for quiet environmentsCompact size, approximately 30% smaller than previous ELECOM modelsFits comfortably even in smaller hands“Forward” and “Back” buttons for efficient web browsingOptical sensor optimized for smooth trackball movementErgonomic 16-degree angled scroll wheel for natural operationEasy maintenance with rear ball-removal buttonBattery level indicator lamp includedPower switch on the bottom helps reduce battery consumptionWireless & PortabilityBluetooth Low Energy compatibleCan be used without a USB receiver on compatible devicesUSB receiver can be stored inside the mouse bodyIncludes a shock-absorbing carrying pouchPouch also has space for spare batteries