Marketing Specifications
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2003 SONY MOBILE PRODUCT GUIDE MDR-IF140 Cordless Stereo Headphones Built-in infra-red (IR) wireless receiver 30mm dome-type drive units for deep bass and accurate sound Lightweight (4 oz.) open-air design Up to 60 hours of battery life with AAA alkaline battery Compatible with Sony Mobile monitors w/IR headphone transmitter Wide single headband...
2003 SONY MOBILE PRODUCT GUIDE MDR-IF140 Cordless Stereo Headphones Built-in infra-red (IR) wireless receiver 30mm dome-type drive units for deep bass and accurate sound Lightweight (4 oz.) open-air design Up to 60 hours of battery life with AAA alkaline battery Compatible with Sony Mobile monitors w/IR headphone transmitter Wide single headband...