The main characteristics of Real-el EL123200021 Brand: Real-el Purpose: for PC, TV, laptop Mouse sensor type: optical Connection interface: radio channel Power source: from batteries Number of buttons: 3 + 1 (scroll wheel) Number of buttons: 4 Number of scroll wheels: 1 Ability to switch resolution: yes (800/1200/1600 dpi) Buttons: the ability to change dpi Additional features: range - up to 10 m, compatible with Windows / Mac / Android Coating: uncoated Ergonomics: for right / left hand Technical features: 2.4 GHz wireless Housing material: plastic Type: classic OS compatibility: Android, Mac OS, Windows Design: color Size and weight Height: 38 mm Width: 60 mm Depth: 106 mm Weight: 60 g Additional Information Battery type: 1xAA Batteries included: no Manufacturer's color: black, gray Country of origin: Estonia Options: USB-nanoreceiver, instructions, mouse