Sunglasses MP3 is a Sunglasses product. Key specs — Origin: China (Mainland).
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Certification: Description:Glasses Lens of Polaroid from America companyTR 90 Flame Shock proof and Anti-static electricity Audio Compatible formats: MP3/WAV/WMAStereo sound Voice output power: 5MW+5MWVoice output frequency: 20Hz-20k Hz.Battery Continuous playing time: 5 hours Recharging time: 3 hours Built-in lithium-ion polymer battery: 3.7V, 150m Ah Automatically detected battery voltage and capacity Auto power off Memory storage Available flash memory size: 128MB/256MB/512MB/1G/2GBStandard USB 2.0 port Integrated USB drive Share same USB port for download, upload and charge