Sony Marketing Co., Ltd., last month began selling the portable DVD player, model DVP-FX1, which Sony contends is the "thinnest and the lightest portable player in the world." Priced at 130,000 yen (US $1,186), DPV-FX1 features a magnesium alloy chassis and a widescreen 7-inch TFT LCD monitor. Audio options include Sony's Digital Cinema Sound mode, SRS Headphone Technology and digital audio output to support Dolby Digital and DTS. A lithium battery supports 4.5 hours of play time. The unit's body weight is 641 grams.