LED slap bracelet with the following features:

• 4 LEDs inside the armband.
• On/off switch.
• 1 x CR2032 battery (included).
• Fit for arm, leg and ankle, etc.
• 2 mode-full on or flashing.
• Simply slap it on your wrist, ankle or upper arm for hiking, jogging, biking, night fishing, emergency, any other outdoor activities or even construction site also.
• Cell battery is replaceable-environmental friendly.
• Size closed: 3.5 x 40cm.