Bluelark Sleep Mask with Bluetooth Headphones, the New Taste of Simple Life\r\nBluelark Sleeping Mask Headphones block light and noise to make your sleep better, allows you to listen to music without wearing additional headphones, thickness is only one-third of the average speaker which is very comfortable to make you fall asleep faster. Ideal for Sleeping, Air Traveling, Insomnia, Relax and Nap\r\nTrue HD high fidelity sound featuring latest Bluetooth 4.2 technology that produce great sound quality. Fast to pair with most Bluetooth devices, like iPhone, iPad, Samsung, Tablet, Laptop etc. It is the best gift for family or friends for sleep or travel use.\r\n\r\n\r\nProduct Specification:\r\nCharging time: 2-2.5hours (Please charge it first before use)\r\nBluetooth continuous working time: 8-10 hours\r\nPower/Handree/Stop/Play\r\nVol Up/Next +\r\nVol Down/Previous -\r\n\r\n\r\nHow to Use?\r\n-Close the Bluetooth in your device\r\n-Long press the \"on/off\" button in the eye mask to red/blue light flash\r\n-Open your device\'s Bluetooth, search the Bluetooth Name \"BT-FAAH\" and then connect.\r\n-ONLY connect the Bluetooth in one device at one time, please make sure it is disconnect with the previous Bluetooth device when connect to a new one.\r\n\r\n\r\nTips:\r\n1. Please match with Bluetooth name \"BT-FAAH\"\r\n2. Can be washable ONLY when take out the Bluetooth module.\r\n3. Both speakers are not fixed, can adjust placement based on your size.\r\n4. You can adjust the volume from your device or Long Press Vol +/- from the sleep mask if you can\'t hear any music or loudly.