Intelligent Bluetooth Aroma Fragrance Machine USB Battery Air Purifiers Scent Unit Essential Oil Diffuser 150ml Timer APP Control for Smart Home Hotel Office

Power supply:2 AA batteries or USB 5V We are a professional supplier and service provider, and can provide you with more professional advice. we are Team, we have many factorys, many products , good prices ,fi you haev any questions we only do the to meet your requirement. Buyers may return the item(s) for a refund if they are not as described or with quality issues within 7 days from the day item The buyer is required to afford the return cost, based on the condition of the item(s) received..syi