Extremely stylish and highly fashionable, the 1Gb MP3 Sunglasses are identical to the ones used by Lance Armstrong in the Tour de France! Perfect for cycling enthusiasts or for more regular use the 1Gb MP3 Sunglasses perfectkly combine protection from the sun with up to 16hours of your favourite music in one handy unit. This would make the perfect gift for anyone - especially those who love those long bike rides... And all for under £26ex, get yours today to aviod disappointment. Features   Polarize lenses & TR 90 frame   Flip-up lens   Available flash memory size:128MB, 256MB, 512MB, 1GB   Compatible format: MP3, WMA, ADPCM   Standard USB port   Integrated USB drive   Play function: play in order, pause, resume playing etc.   Delete function: delete current or all songs or recordings   Integrated Microphone supporting ADPCM recording.   Continuous playing time: 8 hours   Recharging time: 2 hours   230mAh/3.7V macromolecule polymer li-ion recharging battery   Automatically detected battery voltage and capacity   Battery Consumption Saving function:        a- Automatic power off if no button pushed in 2 minutes under pause            status        b- Automatic power off in 2 minutes when all tracks played   Voice output power: 5mW + 5mW   Voice output frequency: 20Hz ~20KHz   CE & FCC cetification