Streamline fashion design Anti-skid design of anti-sweat comfort waist Scroll wheel will let you easily view long word documents. Optical technology allows the optical mouse to track every motion with digital accuracy. Easy to install, just simply plug the USB plug to the USB slot on your PC/laptop. Partially cased with clear transparent housing.

Wire Material: TPE Color: White Type: Electret Earphone

Sound stereo Impedance 32 Ohm Frequency range 20 – 20000 Hz Sensitivity 95 dB Speaker size 40 mm Emitter type dynamic

Comfortable to wear. Excellent sound quality. Innovative audio+charging design;No worries about low battery. Upgraded TPE material,durable in use. Aluminium alloy shell.# Metel cavity,4D surround stereo