LED torch with MP3 player Led torch,MP3 Player,sound box, three in one Can play all types of music files, both speaker and headphones. MP3 speaker MP3 playback without headphones are inserted, the machine can send high-quality speakers and sound super loud music. LED Flashlight High brightness, dimmable, glare, blinker and other regulatory function. Alarm whistle Press Alarm key to make warning whistle sound, (The Alarm whistle can setup your own favorite) External power supply It can interface to an external 5V power supply to continue to use when the music electric torch power has gone. For bike with Clip This machine has a user-friendly bicycle clip.Suitable for bicycle with special clamp to fasten on bicycle for music playing or lighting. * Support Portable Memory +Support Micro SD Card Because the machine has inserted TF memory card or Comes with memory function. So can work as a USB flash memory. Specifications: Dimensions:Diameter 35mm x 128.8mm Weight:155g Connect standard:USB 2.0 Support TF card,max to 16GB Battery:1200mAh rechargeable lithium-ion battery Music format:MP1,MP2,MP3,WMA,WMV,ASF,WAV etc Electric torch:1W or 3W high power Led,more than 30000 hours of life,adjust brightness,continuous time 6 hours Alarm whistle function:accroding to the guests,can be change Supported OS:Win 98/SE/ME/2000/XP/Vista/7;Mac OC 10,Linux 2.4.2 Package includes: 1 x Multifunction music flashlight 1 x 3.5mm to 3.5mm audio cable(length:60cm) 1 xUSB to 3.5MM DC (length:60cm) 1 x Multifunctional clip of a bike 1 x earphone English and Chinese User manual