Feature 1Easy To Use: LED safety wristband lights contains a soft steel piece that can be worn with a gentle tap, making it very easy to use. 2USB Charging Design: LED armband can be bent at will, durable, USB charging design, can be connected to mobile power charging at any time. 3Three Position Adjustment: Luminous armband has three positions, press the first to enter the constant light mode, the second to enter the fast flashing mode, the third to enter the slow flashing mode. 4Function: Rechargeable arm band can play a warning role when walking, walking the dog, running and cycling outdoors at night, with high recognition, and can also add feeling to concerts and parties. 5Wide Applications: Luminous armband is ideal for night running, jogging, dog walking, camping, biking, motorcycling and any other outdoor activities at night.Item Type: LED Safety Wristband LightsMaterial: Steel Sheet, ClothUse: Pet Outdoor Safety LED Light Emitting Circle, Outdoor LED Light Emitting Arm BandBattery Type, Quantity: 1 x Button Cell CR2032 (240mAh) (Shipped with Built In Battery)Mode: Constant Light, Fast Flash, Slow Flash .wang-edit-text{font-family:'Arial' important; } .wang-edit-text .wang-edit-text .wang-edit-text Package List1 x LEDSafetyWristbandLights1 x USB Charging Cable