1.Patented No.：2015 3019 5405.0 Unique,ergonomic&fashional designed .
2.Water Proof: IPX6 Level
3. With compass ,LED lamp,dusty&shock proof which is suitable for outdoors.
4. Large capacity, ultra long lifespan . Real capacity with A grade top quality cells.
5.High Energy converting rate (90%) ,with no heat during use.
6.Multi -level protection design, more safty.
7.Can be hang with carabiner hook.