Wireless Waterproof Mp3 Player

We are offering 100% wireless waterproof mp3 player. Hearing aid and protection, ok for people with hearing loss and help people prevent hearing reduction. Support mp3 and wma,4gb,ipx12
advantages
1,hearing aid: ok for people with hearing loss and impairment
2,hearing protection: prevent hearing loss
3,ear-free, you can still enjoy your normal conversation and listening to the surrounded sounds without removing the bone conduction headset
specification
fm (optional): 87.5 - 108.5mhz
supports mp3 and wma, music
style: neckband
usb storage with 2.0
speed: read over 6.0mb/sec,write over 4.0mb/sec
bit rate:32kbps-384kbps(mp3),48kbps-191kbps(wma)
battery: built-in li battery
charge time: about 3.5hours
max-output: headphone 5mwx2
li-battery built-in can support playing up to 3 hours above
music format:mp3,wma,wav,ogg
capacity: 4gb(built-in)
frequency response: 20hz to 20khz
loud speaker: bone conduction
10m underwater work
net weight:75g
advantages of bone conduction tech:
â??hearing aid and protection,ok for people with hearing loss and impairment,prevent hearing loss
let ear absolutely free at the same time, you can still enjoy your normal conversation and listening to the surrounded sounds without removing the bone conduction headset
â??no electromagnetic waves (emw), eliminating potential effect of emw on cerebrum (if any)
â??high sound clarity in very noisy environments, can be used with hearing protection
â??can have perception of stereo sound
â??electro-mechanical device directly convert electric signal to mechanical vibration
â??can be used for sound generator for mobile device such as mp3 player, headphone, bluetooth, mobile phone and table vibration speakers
â??new world standard in mobile device for sound generation
â??delivers accurate broadband sound output to users
â??prepare to discover new dimensions of sound
â??creates sound through vibration transfer instead of pressuring air around customer
â??audio signal delivered so cleanly that brain interprets stimulus as sound.