DHAN GRD WIRELESS Mp3 Player Sunglasses Video Glasses  (Black)

Perfect combination of durable and fashion, Polarized lenses, offers anti-glare and ultraviolet protection, Auto switch to phone talking mode when making and receiving calls, With Previous/Next Song control, Volume Up/Down control, Built-in rechargeable lithium battery, comes with Mini USB cable. This product adopt imported lenses, with trendy appearance, it support MP1,2,3,WMV,WMA,ASF,WAV music formats, reinforced Polaroid polarizing lens provides clear, natural sight, and excellent anti-impact performances. Digital formats supported: MP3/WAV/WMA PC interface supported: USB 2.0 Estimated battery life: 5 hours Battery capacity: 3.7V, 150mAh Max input power rating: 5VDC Earphone output power: 5mw Voice output frequency: 20Hz-20Khz THD: 0.05% Recharging time: 2 hours Normally works current: 30-35mA Expandable Up to : 32 Gb S/N ratio: 85dB Weight: 12G Dimensions: 172*160*40mm Extended length of earphone fixed lever: 14mm Rotary degree of earphone fixed lever: 270 degree Rotary degree of earphone: 90 degree