Bike Bicycle LED flashlight Torch MP3 Music Player Speaker 2GB This product is suitable for outdoor travel,hiking, nocturnal. MP3 Player: Support MP3/WMA,can enjoy the music through earphone(with a earphone jack) and speaker MP3 Speaker:Without earphone inserted ,the machine can play high-quality sound and super loud music Flashlight: Hard Light-Semi Light-Glimmer-Strobe-SOS Alarm whistle function: Press Alarm key can make warning whistle sound