With bright flashlight, FM radio and TF card slot;
Excellent sound quality;
Smart energy saving and ultra long endurance;
With alarm siren, which can be used as bike bell or outdoor distress signal;
5-mode flashlight: high, low, SOS, gradually change from high to low, fast strobe;
Supports FM radio playing out;
With TF card slot, plug and play;
Supports data transmission;
Power-off memory function;
AUX audio input;
Suitable for cycling, hiking, mountaineering, night walking, outdoor travel.