Credit-card sized device supports 802.11b/g for downloads Toshiba Corp. is refreshing its line-up of Gigabeat music players with new models including one that packs built-in Wi-Fi connectivity.The Gigabeat T-series are about the same size as a credit card — 8.6 centimeters by 5.4 centimeters — and are 1 centimeter thick. Most of the front face of the player is taken up with a 2.4-inch LCD (liquid crystal display) screen that offers QVGA (320 pixels by 240 pixels). Under the screen are some buttons for control of the device and navigation of menus.The 58-gram player is compatible with Windows Media Audio, WMA 9 Lossless, MP3 and WAV audio files, and can also display JPEG images. There are two basic models both of which have 4G bytes of flash memory. The T401 includes 802.11b/g Wi-Fi connectivity for downloading podcasts. It will be available in black while the second model, the T401S, doesn’t have Wi-Fi and will be available in black, red and white. With the exception of the Wi-Fi the players are identical.The Gigabeat T-series will go in sale in Japan on Sept. 7. The T401 will cost about ¥29,800 (US$260) and the T401S will be about ¥24,800. Overseas launch plans have not been announced. Technology IndustrySmall and Medium Business