Sony VAIO Bluetooth Slider Mouse (Black) VGPBMS11/B B&H Photo
Sony VAIO Rechargeable Bluetooth Wireless Laser Mouse VGP-BMS77
Sony VGP-BMS77 Laser Mouse - Walmart.com
I bought VAIO mouse VJ8MS1A at Sony store Japan. It costs about 28.99$, supports 3 channels (2.4GHz + 2 Bluetooth channels) and silent click buttons. : r/vaio