gm 21VOX function can achieve hands-free operation while driving. It is comes with 30 GMRS channels and 10 NOAA weather channels, compatible with FMUHF220Deskripsi produk. MeeTion Polychrome Gaming Mouse GM21 Spesifik *Tracking Optical *Type Wired(Kabel USB) *200~4800 DPI *5 Jenis Tombol *Win XPVista7810Mac