... speaker 4.Give alarm 3W led 5.USB flash disk,TF card Multi-function magic music torch ... for outdoor travelling, fishing, hiking, nocturnal, night lighting, standby power supply, SOS with alarm whistle or flashing ... 3. Flashlight mode option, dim light, glare or flash,3W LED4. Alarm, Give alarm (can set to ... fasten on bicycle for music playing or lighting.7. USB flash disk, optional TF card or built-in ...