1. Material: ABS
2. Beads: 3 holes: 3 x LED; 4 holes: 4 x LED
3. Light mode: strong-weak-flash
4. Battery capacity: 400mAh lithium battery
5. Charging port: Type-C
6. Size: 3 holes: about 9.9 x 3.18cm; 4 holes: about 11 x 3.7cm
Features:
1. With metal pen clip, can be clipped into a pocket or fixed on the brim of the cap, easy to carry around
2. Type-C smart fast charging, compatible with a variety of charging methods, convenient and fast
3. Built-in 14500 lithium battery, no pressure on battery life
4. Strong light burst bright wide range of lighting
5. Mini and compact, easy to carry