Main Features: 1, Bluetooth version 2.0 technology 2, Transmission range up to 33 feet 3, System requirements: -PC enabled with Bluetooth technology or with Bluetooth software installed -Available USB port -CD-ROM drive -Compatible with Microsoft Windows 98/2000/ME/NT/XP/Vista, Apple Mac. 4, 87 standard keys 5, Ultra slim, light-weight and sleek design giving out more comfort 6, Stylish yet durable design 7, Low noise, low profile keyswitch with excellent tactile feel 8, 20 MLN keystroke warranty; 9, Powered by 2 AAA batteries 10, Dimension: 465 x 185 x 15 mm (L x W x H) 11, Other language layout available Dimension: 465 x 185 x 15 mm (L x W x H)