Led Face Mask Bluetooth Light Up Mask Washable Cloth Face Mask for Adults Kids - Reusable Funny Masks for Women Men Party Outdoor

?SPECIFICATION Display size: 5.9*1.3inch Input voltage current: 3.7V, 450mAh Charging type: Micro USB. Charging time: 3 hours Battery Life: 8-10hrs (muti-language version) 15-20hrs (English version) ?Easy To Use Please download the "COOL CARNIVAL" APP: Step 1: long press to turn on (or turn off) LED display and turn on Bluetooth of mobile phone. Step 2: open the app page and click Connect device, Step 3: after the device shows that the connection is successful, it can be used together. ?WARNING ?Please remove the electronics (ledstrip) from the mask when wash it. ?Do not use this product when charging. ?Charge time not over 3 hours. ?Do not expose it to rain or moisture environment. ?NOTE Please send your message to us at amazon when you met problem ,we will give you the refund or send you a new product at the first time! ?FAQ 1.Is it washable ? Can you remove the electronics to wash the mask? Yes, it's washable. You can remove the electronics (ledstrip) from the mask. It has a pocket sewn on the mask under the white cloth. It's easy to remove and place it back. 2.How many hours does it need to charge? If it's fully dead. Only charge it 3 hours max. If you use it for an hour, then only charge it for an hour.