Design O23 Ergonomic Mouse in Solid Black. Rechargeable Cordless Mouse (10.8 x 6.2 x 3 Cm) with Antibacterial Treatment & Light-Up Logo. the Mouse Can be Used for Up to 8 Hours on a Single Charge. Ergonomic Design That Helps Reduce Hand Strain & Fatigue Over a Long Period of Time. with a 66° Angle, Palm & Arm Distortion is Reduced. the Printed Light-Up Logo is Bright When the Mouse is Charged, & Darkens When There is Only 20% Battery Capacity Left. 0.70 Meter USB Charger Cable Made From Recycled Pet Included. When the Battery is Completely Discharged, the Mouse Can Still be Used with the Charger Cable. Packed in a Black Gift Box (13.5 x 9.8 x 9 Cm) with Magnetic Closure. Includes 3 Years Warranty. Minimum Quantities Apply.