Product
Features: This product employs imported reinforced Polaroid polarizing lenses to provide clear & natural vision. It shields UV, glare & diffused light, allowing you to enjoy your music in the sun while protecting your eyes & eyesight. It supports MP3, WMV, WMA, ASF & WAV music formats. The Hi Fi stereo earphones deliver your favorite music at up to 85 decibels. Its built-in lithium battery allows for a maximum continuous 4-hour playback. " Encrypted Space" disk: You can divide the memory of the player into two disks using the supplied tool software, & encrypt one disk to hide the files in this disk, so that the content saved in the encrypted disk can't be read or written by any unauthorized person. Led indication status: Working status: Led status Playing status: Flashing Low power status: Flashing speediness Recharging (USB Charger):USB Charger Red Led Power. Green Led Charger Fully Recharget (USB Charger):USB Charger Green Led Off No music files to play: Light 20 seconds after off Transfer data: Flashing speediness RELATIVE TECHNOLOGY PARAMETER: Digital formats supported:MP3/WAV/WMA PC interface supported:USB2.0 Mfr estimated battery life:5 hours Battery tape/capacity: Bullt-in Lithium lon Polymer/3.7V.150m AH Maximum input power rating:5VDC Earphone output power:5mw Voice output frequency:20 Hz-20 Khz THD:0.05% Recharging time:2 hours Normally works current:30-35m A. Signal-to-noise ratio:87.2db Earphone impedance :16 Weight:52g Dimensions:172 160 40mm Extended Length of Earphonefixed lever:14mm Rotary degree of earphone fixed lever:270° Rotary degree of earphone:90° Bluetooth testing specifications Normal Connection Current:14 m A Speaking Current :40m A Power OFF current :40 u A Transmission Range:6~10 M Range of Operating Voltage :3.3V~4.2V V