Portable Wearable Air Purifier Necklace – USB Rechargeable Personal Fresh Air Ionizer for Travel & Daily Use Beauty Tools & Accessories Adjustable Drawstring: Custom fit around

Adjustable Drawstring: Custom fit around the waist

1 gain for HD projection reproduces the vivid and lively image

Easy to use and clean: Easy operation and charging with USB cable

Wristband size: 251mm*18mm*2

Portable Wearable Air Purifier Necklace – USB Rechargeable Personal Fresh Air Ionizer for Travel & Daily Use Beauty Tools & Accessories Adjustable Drawstring: Custom fit aroundProduct size: 80 * 37 * 24mm Charging time: 6 7 hours Battery capacity: 650mAh Material: plastic 1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size is between two sizes. Allow a 2 3cm difference due to manual measurement. 2. Please check the size chart carefully before you buy the item. 3. As you know, the different computers display colors differently; the color of the actual item may vary