1.Support format:MP3/WAV/WMA 2.USB interface: USB2.0 3.Memory: 4GB 4.Mfr estimated battery life:6 hours Description:This MP3 player puts out quality sound and good capacity. USB2.0 high speed transmission. This MP3 player is the most recent in an evolution of music formats that have helped consumers enjoy their tunes.Features: 1.This product employs imported lenses,with trendy appearance2.It supports MPI, 2, 3,WMV,WMA,ASF,WAV music formats,reinforced 3.Polaroid polarizing lens providesclear'naturalSight,and excellent anti-impact performances4.It shields UV, glare und diffilsed light,allowing You to enjoy music in the sun without disturbance,and protect your eyes and eyesight5.Flexible Earphone cord in best length6.HIF1 stereo earphones,up to 85 decibel volume,bring you endless Joy of high-quality music7.built-in lithium battery suppSpecifications:1.Support format:MP3/WAV/WMA2.USB interface: USB2.03.Memory: 4GB4.Mfr estimated battery life:6 hours5.Battery tape/capacity:3.7V.150mAH6.Maximum input power rating:5VDC7.Earphone output power:5mw8.Voice output frequency:20HZ-20Khz9.THD:0.05%10.Recharging time:2 hours

11.Normally works current:30-35mA

12.Signal-to-noise ratio:85db13.Earphone impedance:1614.Size: 19 x 8.8 x 7.5cm15.Color: Black

Package included:1 x Sunglasses MP3 player

1 x USB cable 1 x User's Manual1 x Black carry case

Black 4GB MP3 Headset Sunglasses 4GB MP3 Player