Bike Headlights with USB Rechargeable Battery Pack

  • usb-rechargeable-bike-headlights
  • usb bike headlights
  • finger size USB rechargeable bike headlights
  • usb bike helmet light
  • usb-rehcargeable-mini-bike-light-kit

Bike Headlights with USB Rechargeable Battery Pack

SG-Thumb I is our smallest and lightest usb rechargeable bike headlights we have ever produced. The headlight weighs only 55g and its size is as tiny as thumb finger. It’s with USB rechargeable battery pack, IP65 waterproof, shockproof and four mode settings. Overall, it’s a compact light for durable usage and outstanding performance.



Product Description

USB Rechargeable Bike Headlights

SG-Thumb II is our smallest and lightest usb rechargeable bike headlights. Its ultra light-weight and tiny size design adds no weights and save lots space for night riders. And its powerful light beam and long work time makes it even better. It has four different levels of brightness for different applications. And the usb rechargeable battery pack could be charged via your PC, power bank or other 5v power source with our packed usb charging cable.


  • 55g in weight, size as thumb finger;
  • usb rechargeable bike headlights battery pack;
  • power indicator telling riders about remaining power statue;
  • bike light, headlight, and helmet light, multi-function design;
  • protected circuit board, protect light from over charging, over discharging, short circuit, and over current.
wearable usb bike headlights

wearable usb bike headlights


  • LED Lamp: CREE XM-L2 U2 LED
  • Luminous flux: 1000 Lumens
  • Modes: Four modes: 10%, 40%, 70%, 100%
  • Reflector: Vacuum plating orange-peeled Aluminum Reflector
  • Torch Body: Aerometal, CNC process and Anodic oxidation surface treatment.
  • Switch: Mid click
  • Battery : 4.2V, 4400mAh lithuim rechargeable battery pack
  • 8. Waterproof Design:
    *With O-rubber seal ring
    *waterproof battery from raining
  • Input of light: 4.2V, usb cable: 5V, 1A
  • Battery life: Can be charged more than 500 times
  • Size: 4.5*3.4*2.5cm
  • Weight of light:55g (0.5kg/set)

Additional Information

Weight57 g
Dimensions4.6 x 2.5 x 2.5 cm

Packing Content



  • bicycle headlight unit
  • 2-cell 4400mAh rechargeable battery pack
  • USB charger cable
  • two o-ring mounts
  • head/helmet strap
  • user manual
  • gift box


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