Its not Wiimote, Zeemote.

People of Netherlands are lucky to get Zeemote(TM) JS1 Controller free to purchasers of Sony
Ericsson’s new 3G mobile handset, the W760i Walkman, via a mail-in voucher promotion. The W760i will come with two embedded Zeemote Ready(TM) games with a further fourteen additional games available through the Fun & Downloads section on the http://www.sonyericsson.com/nl/

Features and Specification of W760i

• Quad band GSM (850 / 900 / 1800 / 1900)
• 3G - HSDPA (850 / 1900 / 2100)
• Dispay: TFT, 256K colors, 240 x 320 pixels, 2.2 inches
• Bluetooth v2.0 with A2DP
• NetFront browser
• Camera: 3.15 MP, 2048×1536 pixels, video
• Motion sensor
• Walkman capabilities
• 3.2 megapixel camera
• built in GPS receiver

Features and Specification of Zeemote JS1

• Enabling a near-console experience on mobile phones
• A thumbstick
• Four assignable trigger buttons
• JS1 offers real analogue control over Bluetooth(TM) enabling users to truly engage with mobile games.
• Ergonomic design
• Weighs just 47g/1.7oz

more here and here