original laptop touchpad buttons for dell e5540 e5440 etouch buttons mouse buttons left and right buttons cn a13313 a13313
original laptop touchpad buttons for dell e5540 e5440 etouch buttons mouse buttons left and right buttons cn a13313 a13313
2.4GHz Wireless Rechargeable Mouse with Pixart sensor, 4keys, Silent switch for right/left keys,DPI: 800/1200/1600, Max. usage 50 hours for one time full charged, 300m. Ah Li-poly battery, Dark grey, cable length 0.6m, 116.4*63.3*32.3mm, 0.075kg