ELECOM Wireless Trackball (Index Finger/Middle Finger Operation Type) M-HT1DRBK 1 piece

Catalog number: M-HT1DRBK Features: ●The wireless trackball mouse "HUGE" is operated by the index finger and middle finger, and the large ball with a diameter of 52 mm allows the pointer to be moved over a wider range with a single operation. ●The palm rest made of low-resilience material on the top of the main body allows the entire palm to rest from the wrist, reducing the strain on the wrist caused by long hours of PC work. ●The sensor that detects the movement of the trackball is equipped with a high-performance optical sensor of gaming grade. Uses: ●The large trackball with a diameter of 52 mm provides a feeling of control beyond your imagination! The wireless trackball mouse "HUGE" is operated by the index finger and middle finger, and is equipped with a palm rest that reduces the strain on the wrist caused by long hours of PC work. Specifications: ●Color: Black ●Height (mm): 114.7 ●Width (mm): 181.9 ●Thickness (mm): 57.2 ●Number of buttons: 8 *Wheel button included●Interface: USB●Reading method: Optical sensor method●Connector shape: USB (A) male●Resolution: 500/1000/1500 counts (switchable)●External dimensions width (receiver) (mm): 13.1●External dimensions depth (receiver) (mm): 18.2●External dimensions height (receiver) (mm): 5.0●Power supply (main unit): 2 AA alkaline batteries, AA manganese batteries, or AA nickel-metal hydride batteries●Horizontal scrolling function: Yes●Number of wheels: 1●Communication method: GFSK method●Radio frequency: 2.4 GHz band●Radio wave reach (m): When used on a magnetic material (such as an iron desk): 3 m, when used on a non-magnetic material (such as a wooden desk): 10●Type of emitted light: Invisible wavelength range●Receiver storage: Yes●Continuous operation time: Low energy mode: Approximately 235 hours, high speed mode: Approximately 137 hours Set contents/accessories: 2 AA alkaline batteries for operation check, 1 user manual