Wireless multimedia keyboard Wireless multimedia keyboard, ergonomics designed, strain-reducing 27 mhz, effective distance 1-1.5 meters Super slim, scissors-structure, noise free Multiple language supported Laser carve, never wear away, key knock life time 10m cycles 10 multimedia hot key Midia player, mute, volume +, volume -, next, previous, explore, e-mail, my computer, shut down Compatible with windows Keyboard specifications: hk-806rf Dimensions: 410 x 162x 23 mm Weight: 712g +/-20g Channel: 1 channel Id: 256 sets Radio frequency: 27mhz Operatind distance: 1-1.5 meters Key number: 104 keys (with multilingual support) Battery life: Battery: 2 aaa (alkaline) Receiver: r3 Dimensions: 87*65*28mm Interface: usb 1.1 With recharger function, suitable for no.: 5 / 7 batteries.