Product Size: 25 * 10 cm Material: Talon Package Contents: 1*Bluetooth Headband,1*USB Data Cable,1*Instruction Manual 1. High Quality Sleep Headphones with Multiple Bluetooth Headbands Sleep Headphones and Sleep Mask and Sports Headband 3 in 1. The Bluetooth headband lets you listen to music without wearing extra headphones and protects you from hair and sweat. Built-in microphone so you never miss a call. Great for fitness, training, running, yoga and other outdoor activities. Even if you're not using music, the eye mask is comfortable enough to fall asleep in any position. 2. Longer service time and high quality playback The sleep headphones have an updated USB battery. The high-quality chipset ensures clear sound and lossless music, even in sports headphones. Built-in microphone and volume controls allow users to make hands-free calls and edit previous/next tracks without using their phone. The bluetooth headband ensures a good night's sleep 3. Super soft and breathable headband: The bluetooth headband sleep earphones are extremely soft and light. It's made from durable braided cables and has a breathable mesh lining. It stretches easily and adapts to all head sizes, and is very soft and hypoallergenic. The bluetooth earphones are washable. Just remove the speaker and clean the tape. It's useful to sleep with an eye patch on, so the shading feature will help. 4. Bluetooth stereo with ultra-thin speakers The thickness of the speakers is only 0.25 inches, which is very comfortable for sleepers. True HD HIFI sound with the latest Bluetooth technology for great sound quality. Bluetooth makes it easy to pair all iPad tablets on your smartphone. Compatible with Android and iOS. It's a great gift for family or friends when traveling and festive planes.5. Stylish, comfortable and washable Our headphone headbands are made of special fabrics that compress under pressure to protect your ears and provide excellent breathability. Please remove the Bluetooth module before thoroughly cleaning the headband.