USB Charger Cable For Rechargeable Headlamps And 4.2V Devices, 5V USB Input To 4.2V DC 3.5mm Barrel Plug, 2.7 Foot Cord, Easy, Fast Power For Your LED Headlamp And Other 4.2V Gear

Single USB charger cable for 4.2V headlamps and 5V devices
✔️ 5V USB input to 4.2V DC output, 3.5mm barrel, 2.7 ft

This USB charging cable powers 4.2V LED headlamps and other 4.2V devices from a standard 5V USB source, making it handy for camping, work sites, and everyday use.

✅ Output: DC 4.2V; Input: DC 5V
✅ 3.5 mm (0.14 in) barrel plug
✅ Cable length: 2.7 ft (823 mm, 32.4 in)
✅ Charge indicator: red during charging, blue when full

💡 What is a USB charging cable for 4.2V headlamps and other 4.2V devices used for? This handy cord powers and charges gear from a USB port.

- 5V USB input to 4.2V DC output - 3.5 mm barrel plug compatibility with 4.2V devices - 2.7 ft cable length for flexible use - Red charging indicator and blue when full✝️