🎁Feature: 1. EFFICIENT PURIFICATION: This ionic air purifier releases more than 150 million negative ion-purified air to remove contaminants from your personal space. 2. PORTABLE & DURABLE: this mini air purifier is simple and compact. It can be hung around the neck, hung in the car, very stylish, and it can be used to create a clean, good air area in travel, public places, or other places with poor air quality. 3.NO NOISE & EASY TO USE : The sound is very quiet during operation and will not bother you when you work or rest. The operation is very simple, just press the button for two seconds to enjoy the fresh air. 4. PROTECT YOUR SAFETY: Portable ion air purifiers have no radiation. 5. Long standby: 1000 mAh battery capacity, charge for 2 hours, high-end battery life exceeds 45 hours, low-end battery life exceeds 75 hours 🎁Specifications: Name: hanging neck air purifier Service voltage: DC5V Power: Less than 1W Current: Less than 50mA Battery capacity: 1000mah A-nion concentration: 80-150 million / cm Endurance: 30 hours for high concentration and 60 hours for low concentration Charging time: 1.5-2h Charging mode: type-C Colour: Black/White Material:ABS + stainless steel Size:80x35x23mm 🎁Package Contents: 1 * necklace purifier 1 * Type-c USB cable 1 * Instruction Manual 🚚Delivery efficiency: The time from dispatch out to delivery is about 1-2 working days. Thank you for your support! #airpurifiernecklace #purifiernecklace #minipurifier #smallpurifier #portablepurifier #necklace #purifiers #wearablepurifier #wearable #airpurifier #ionizer #airfresher #negativeion #ionizer #airtamer #aolon