Meier rechargeable sport MP3 player
can do emergent charge for your mobile when outside
waterproof and mini,can fix on bicycle

New design of Meier rechargeable sport music MP3 player is also a bicycle mp3 speaker,mini and portable mp3 speaker,which is waterproof and can charge for your mobile in emergent time.

Support 2G micro SD card,pls find the following details introduction: