Overview: 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: ¡ñHearing 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 ¡ñNo electromagnetic waves (EMW), eliminating potential effect of EMW on cerebrum (if any) ¡ñHigh sound clarity in very noisy environments, can be used with hearing protection ¡ñCan have perception of stereo sound ¡ñElectro-mechanical device directly convert electric signal to mechanical vibration ¡ñCan be used for sound generator for mobile device such as MP3 player, headphone, Bluetooth, mobile phone and table vibration speakers ¡ñNew world standard in mobile device for sound generation ¡ñDelivers accurate broadband sound output to users ¡ñPrepare to discover new dimensions of sound ¡ñCreates sound through vibration transfer instead of pressuring air around customer ¡ñAudio signal delivered so cleanly that brain interprets stimulus as sound 4 color off-set printing box, packing size:26x18x5(cm),GW:260g/box
