USB Bicycle Tail Light

Overview:
- Humanized Visual Adjustment. Taillight can be adjusted up and down at a large angle to form a controllable distance line.
- USB Fast Charging. USB interface, fast charging, anywhere.
- New ABS Plastic Lamp Body. Scratch-resistant, fall-resistant, corrosion-resistant, not afraid of falling.
- Five Modes. Press to switch lights, different modes meet different needs.